1
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Qiao B, Lin FY, Fu D, Li SJ, Zhang T, Lan Y. Mechanistic insights into facilitating reductive elimination from Ni(II) species. Chem Commun (Camb) 2024. [PMID: 39005163 DOI: 10.1039/d4cc02667e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Reductive elimination is a key step in Ni-catalysed cross-couplings, which is often considered to result in new covalent bonds. Due to the weak oxidizing ability of Ni(II) species, reductive eliminations from Ni(II) centers are challenging. A thorough mechanistic understanding of this process could inspire the rational design of Ni-catalysed coupling reactions. In this article, we give an overview of recent advances in the mechanistic study of reductive elimination from Ni(II) species achieved by our group. Three possible models for reductive elimination from Ni(II) species were investigated and discussed, including direct reductive elimination, electron density-controlled reductive elimination, and oxidation-induced reductive elimination. Notably, the direct reductive elimination from Ni(II) species often requires a high activation energy in some cases. In contrast, the electron density-controlled and oxidation-induced reductive elimination pathways can significantly enhance the driving force for reductive elimination, accelerating the formation of new covalent bonds. The intricate reaction mechanisms for each of these pathways are thoroughly discussed and systematically summarized in this paper. These computational studies showcase the characteristics of three models for reductive elimination from Ni(II) species, and we hope that it will spur the development of mechanistic studies of cross-coupling reactions.
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Affiliation(s)
- Bolin Qiao
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
| | - Fa-You Lin
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
| | - Dongmin Fu
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
| | - Shi-Jun Li
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
| | - Tao Zhang
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
- Institute of Intelligent Innovation, Henan Academy of Sciences, Zhengzhou, Henan, 451162, P. R. China.
| | - Yu Lan
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, 450001, P. R. China
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Chemical Theory and Mechanism, Chongqing University, Chongqing, 401331, P. R. China.
- Pingyuan Laboratory, Xinxiang, Henan, 453007, China
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2
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Shi Y, Derasp JS, Maschmeyer T, Hein JE. Phase transfer catalysts shift the pathway to transmetalation in biphasic Suzuki-Miyaura cross-couplings. Nat Commun 2024; 15:5436. [PMID: 38937470 PMCID: PMC11211432 DOI: 10.1038/s41467-024-49681-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 06/14/2024] [Indexed: 06/29/2024] Open
Abstract
The Suzuki-Miyaura coupling is a widely used C-C bond forming reaction. Numerous mechanistic studies have enabled the use of low catalyst loadings and broad functional group tolerance. However, the dominant mode of transmetalation remains controversial and likely depends on the conditions employed. Herein we detail a mechanistic study of the palladium-catalyzed Suzuki-Miyaura coupling under biphasic conditions. The use of phase transfer catalysts results in a remarkable 12-fold rate enhancement in the targeted system. A shift from an oxo-palladium based transmetalation to a boronate-based pathway lies at the root of this activity. Furthermore, a study of the impact of different water loadings reveals reducing the proportion of the aqueous phase increases the reaction rate, contrary to reaction conditions typically employed in the literature. The importance of these findings is highlighted by achieving an exceptionally broad substrate scope with benzylic electrophiles using a 10-fold reduction in catalyst loading relative to literature precedent.
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Affiliation(s)
- Yao Shi
- Department of Chemistry, University of British Columbia, Vancouver, BC, V6T 1Z1, Canada
| | - Joshua S Derasp
- Department of Chemistry, University of British Columbia, Vancouver, BC, V6T 1Z1, Canada.
| | - Tristan Maschmeyer
- Department of Chemistry, University of British Columbia, Vancouver, BC, V6T 1Z1, Canada
| | - Jason E Hein
- Department of Chemistry, University of British Columbia, Vancouver, BC, V6T 1Z1, Canada.
- Department of Chemistry, University of Bergen, Bergen, Norway.
- Acceleration Consortium, University of Toronto, Toronto, ON, Canada.
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3
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Jansen-van Vuuren RD, Liu S, Miah MAJ, Cerkovnik J, Košmrlj J, Snieckus V. The Versatile and Strategic O-Carbamate Directed Metalation Group in the Synthesis of Aromatic Molecules: An Update. Chem Rev 2024; 124:7731-7828. [PMID: 38864673 PMCID: PMC11212060 DOI: 10.1021/acs.chemrev.3c00923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 04/26/2024] [Accepted: 05/08/2024] [Indexed: 06/13/2024]
Abstract
The aryl O-carbamate (ArOAm) group is among the strongest of the directed metalation groups (DMGs) in directed ortho metalation (DoM) chemistry, especially in the form Ar-OCONEt2. Since the last comprehensive review of metalation chemistry involving ArOAms (published more than 30 years ago), the field has expanded significantly. For example, it now encompasses new substrates, solvent systems, and metalating agents, while conditions have been developed enabling metalation of ArOAm to be conducted in a green and sustainable manner. The ArOAm group has also proven to be effective in the anionic ortho-Fries (AoF) rearrangement, Directed remote metalation (DreM), iterative DoM sequences, and DoM-halogen dance (HalD) synthetic strategies and has been transformed into a diverse range of functionalities and coupled with various groups through a range of cross-coupling (CC) strategies. Of ultimate value, the ArOAm group has demonstrated utility in the synthesis of a diverse range of bioactive and polycyclic aromatic compounds for various applications.
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Affiliation(s)
- Ross D. Jansen-van Vuuren
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Susana Liu
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
| | - M. A. Jalil Miah
- Department
of Chemistry, Rajshahi University, Rajshahi-6205, Bangladesh
| | - Janez Cerkovnik
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Janez Košmrlj
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Victor Snieckus
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
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4
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Wang WL, Zhang ZC, Yu D, Ni BL, Sun WM. Suzuki-Miyaura Cross-Coupling Reaction Catalyzed by Al 12M (M = Be, Al, C, and P) Superatoms with Different Numbers of Valence Electrons. Inorg Chem 2024; 63:11768-11778. [PMID: 38864539 DOI: 10.1021/acs.inorgchem.4c01407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
The exploration of low-cost, efficient, environmentally safe, and selective catalysts for the activation of carbon-halogen bonds has become an important and challenging topic in modern chemistry. With the help of density functional theory (DFT), it is found that phenyl bromide (PhBr) can be efficiently chemisorbed by the Al12M (M = Be, Al, C, and P) superatoms via forming highly polarized Al-Br covalent bonds, where the C-Br bonds of PhBr can be effectively activated through the electron transfer from Al12M. The different electronic structures of these four Al12M superatoms pose a substantial effect on their performances on the activation of PhBr and the catalytic mechanisms of the Suzuki-Miyaura (SM) reaction. Among them, the alkali-metal-like superatom Al12P exhibits the best performance for the activation of PhBr. In particular, Al13 and Al12P with open-shell electronic structures exhibit catalytic performances comparable to those of previously reported catalysts for this coupling reaction. Hence, it is highly expected that Al13 and Al12P could be used as novel superatom catalysts for C-C coupling reactions and, therefore, open up new possibilities to use nonprecious superatoms in catalyzing the activation and transformation of carbon-halogen bonds.
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Affiliation(s)
- Wen-Lu Wang
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350108, People's Republic of China
| | - Zhi-Chao Zhang
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350108, People's Republic of China
| | - Dan Yu
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou, Guangdong 510006, People's Republic of China
| | - Bi-Lian Ni
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350108, People's Republic of China
| | - Wei-Ming Sun
- Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University, Fuzhou, Fujian 350108, People's Republic of China
- School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
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5
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Giovanardi G, Cattani S, Balestri D, Secchi A, Cera G. Iridium-Catalyzed C-H Borylations: Regioselective Functionalizations of Calix[4]arene Macrocycles. J Org Chem 2024; 89:8486-8499. [PMID: 38816966 DOI: 10.1021/acs.joc.4c00419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
We report iridium-catalyzed C-H borylations for the regioselective synthesis of distally disubstituted calix[4]arene macrocycles. The atom- and step-economical method led to a broad family of calix[4]arenes in good yields and functional group tolerance. The synthetic utility of the C-H borylation protocol was finally illustrated with several late-stage modifications for the synthesis of elaborate calix[4]arenes frameworks, otherwise challenging to achieve with commonly employed procedures.
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Affiliation(s)
- Gabriele Giovanardi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Silvia Cattani
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Davide Balestri
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Andrea Secchi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Gianpiero Cera
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
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6
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Li W, Ricker R, Lok Chan K, Fung Lau P, Buchbinder NW, Krebs J, Friedrich A, Lin Z, Santos WL, Radius U, Marder TB. Phosphine-Catalyzed 1,2-cis-Diboration of 1,3-Butadiynes. Chemistry 2024; 30:e202401235. [PMID: 38593362 DOI: 10.1002/chem.202401235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/11/2024]
Abstract
Trialkyl phosphines PMe3 and PEt3 catalyze the 1,2-cis-diboration of 1,3-butadiynes to give 1,2-diboryl enynes. The products were utilized to synthesize 1,1,2,4-tetraaryl enynes using a Suzuki-Miyaura protocol and can readily undergo proto-deborylation.
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Affiliation(s)
- Weipeng Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
| | - Robert Ricker
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
| | - Ka Lok Chan
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Pak Fung Lau
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | | | - Johannes Krebs
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
| | - Alexandra Friedrich
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, China
| | - Webster L Santos
- Department of Chemistry Virginia Tech, Blacksburg, VA, 24061, USA
| | - Udo Radius
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
| | - Todd B Marder
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Würzburg, 97074, Germany
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7
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D'Amico F, Papucci C, Franchi D, Reginato G, Taddei M, Mordini A, Zani L, Dessì A, Calamante M. Pd-Catalyzed Miyaura Borylation and Telescopic Borylation/Suzuki-Miyaura Cross-Coupling Processes in Deep-Eutectic Solvents. J Org Chem 2024; 89:6991-7003. [PMID: 38716702 DOI: 10.1021/acs.joc.4c00357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
We report an efficient procedure to carry out palladium-catalyzed Miyaura borylation reactions of (hetero)aromatic halides and triflates in choline chloride (ChCl)-based deep eutectic solvents (DESs). The procedure employs bis(pinacolato)diboron as a boron source and a catalyst prepared in situ from readily available Pd2(dba)3 and the phosphine ligand XPhos. Reactions proceed well in different ChCl-based DESs, among which the best results were provided by environmentally friendly and biodegradable mixtures with glycerol and glucose. The reaction tolerates both EDG and EWG substituents on the substrates and can be run on different halides (chloride, bromide, iodide) and pseudohalides (triflate). Furthermore, for several substrates, the catalyst loading can be reduced to 1 mol % Pd (0.5% mol Pd2(dba)3) without compromising the reaction yield. Moreover, we show that the Miyaura borylation protocol in DES can be combined with a subsequent Suzuki-Miyaura cross-coupling reaction in a one-pot procedure, allowing access to various biaryl products and demonstrating its synthetic utility by preparing the precursors of two compounds with reported applications in the photovoltaics sector. Finally, two green metrics (E-factor and EcoScale) of the new one-pot procedure in DES were calculated and compared with literature values to assess the potential advantages in terms of waste reduction, safety, and energy consumption.
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Affiliation(s)
- Francesco D'Amico
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
| | - Costanza Papucci
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
- Department of Chemistry "U. Schiff", University of Florence, 50019 Sesto Fiorentino, Italy
| | - Daniele Franchi
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
| | - Gianna Reginato
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
| | - Maurizio Taddei
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
| | - Alessandro Mordini
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
- Department of Chemistry "U. Schiff", University of Florence, 50019 Sesto Fiorentino, Italy
| | - Lorenzo Zani
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
| | - Alessio Dessì
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
| | - Massimo Calamante
- Institute of Chemistry of Organometallic Compounds (CNR-ICCOM), 50019 Sesto Fiorentino, Italy
- Department of Chemistry "U. Schiff", University of Florence, 50019 Sesto Fiorentino, Italy
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8
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Tonon G, Mauceri M, Cavarzerani E, Piccolo R, Santo C, Demitri N, Orian L, Nogara PA, Rocha JBT, Canzonieri V, Rizzolio F, Visentin F, Scattolin T. Unveiling the promising anticancer activity of palladium(II)-aryl complexes bearing diphosphine ligands: a structure-activity relationship analysis. Dalton Trans 2024; 53:8463-8477. [PMID: 38686752 DOI: 10.1039/d4dt00919c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
In continuation of our previous works on the cytotoxic properties of organopalladium compounds, in this contribution we describe the first systematic study of the anticancer activity of Pd(II)-aryl complexes. To this end, we have prepared and thoroughly characterized a wide range of palladium derivatives bearing different diphosphine, aryl and halide ligands, developing, when necessary, specific synthetic protocols. Most of the synthesized compounds showed remarkable cytotoxicity towards ovarian and breast cancer cell lines, with IC50 values often comparable to or lower than that of cisplatin. The most promising complexes ([PdI(Ph)(dppe)] and [PdI(p-CH3-Ph)(dppe)]), characterized by a diphosphine ligand with a low bite angle, exhibited, in addition to excellent cytotoxicity towards cancer cells, low activity on normal cells (MRC5 human lung fibroblasts). Specific immunofluorescence tests (cytochrome c and H2AX assays), performed to clarify the possible mechanism of action of this class of organopalladium derivatives, seemed to indicate DNA as the primary cellular target, whereas caspase 3/7 assays proved that the complex [PdI(Ph)(dppe)] was able to promote intrinsic apoptotic cell death. A detailed molecular docking analysis confirmed the importance of a diphosphine ligand with a reduced bite angle to ensure a strong DNA-complex interaction. Finally, one of the most promising complexes was tested towards patient-derived organoids, showing promising ex vivo cytotoxicity.
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Affiliation(s)
- Giovanni Tonon
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Matteo Mauceri
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Enrico Cavarzerani
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Rachele Piccolo
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Claudio Santo
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Nicola Demitri
- Elettra - Sincrotrone Trieste, S.S. 14 Km 163.5 in Area Science Park, 34149 Basovizza, Trieste, Italy
| | - Laura Orian
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy.
| | - Pablo A Nogara
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - João Batista T Rocha
- Departamento de Bioquímica e Biologia Molecular, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
| | - Vincenzo Canzonieri
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (C.R.O.) IRCCSvia Franco Gallini 2, 33081, Aviano, Italy.
- Department of Medical, Surgical and Health Sciences, Università degli Studi di Trieste, Strada di Fiume 447, Trieste, Italy
| | - Flavio Rizzolio
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
- Pathology Unit, Centro di Riferimento Oncologico di Aviano (C.R.O.) IRCCSvia Franco Gallini 2, 33081, Aviano, Italy.
| | - Fabiano Visentin
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari, Campus Scientifico Via Torino 155, 30174 Venezia-Mestre, Italy.
| | - Thomas Scattolin
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, via Marzolo 1, 35131 Padova, Italy.
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9
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Nikulshin PV, Makarov AY, Koskin IP, Becker CS, Kazantsev MS, Beckmann J, Balmohammadi Y, Grabowsky S, Mebs S, Naumova OV, Protasov DY, Svit KA, Irtegova IG, Radiush EA, Bagryanskaya IY, Shundrin LA, Zibarev AV. 1,2,3,4-Tetrafluorobiphenylene: A Prototype Janus-Headed Scaffold for Ambipolar Materials. Chempluschem 2024; 89:e202300692. [PMID: 38052725 DOI: 10.1002/cplu.202300692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/01/2023] [Accepted: 12/05/2023] [Indexed: 12/07/2023]
Abstract
The title compound was synthesized by Ullmann cross-coupling in low yield as the first representative of [n]phenylene containing hydrocarbon and fluorocarbon rings. Stille/Suzuki-Miyaura cross-coupling reactions, as well as substitution of fluorine in suitable starting compounds, failed to give the same product. The geometric and electronic structures of the title compound were studied by X-ray diffraction, cyclic voltammetry and density functional theory calculations, together with Hirshfeld surface and reduced density gradient analyses. The crystal structure features head-to-tail π-stacking and other fluorine-related secondary bonding interactions. From the nucleus-independent chemical shifts descriptor, the four-membered ring of the title compound is antiaromatic, and the six-membered rings are aromatic. The Janus molecule is highly polarized; and the six-membered fluoro- and hydrocarbon rings are Lewis π-acidic and π-basic, respectively. The electrochemically-generated radical cation of the title compound is long-lived as characterized by electron paramagnetic resonance, whereas the radical anion is unstable in solution. The title compound reveals electrical properties of an insulator. On expanding its molecular scaffold towards partially fluorinated [n]phenylenes (n≥2), the properties presumably can be transformed into those of semiconductors. In this context, the title compound is suggested as a prototype scaffold for ambipolar materials for organic electronics and spintronics.
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Affiliation(s)
- Pavel V Nikulshin
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
- Current address: Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 119991, Moscow, Russia
| | - Alexander Yu Makarov
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Igor P Koskin
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Christina S Becker
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Maxim S Kazantsev
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Jens Beckmann
- Institute for Inorganic Chemistry and Crystallography, University of Bremen, 28359, Bremen, Germany
| | - Yaser Balmohammadi
- Department of Chemistry, Biochemistry and Pharmaceutical Science, University of Bern, 3012, Bern, Switzerland
| | - Simon Grabowsky
- Department of Chemistry, Biochemistry and Pharmaceutical Science, University of Bern, 3012, Bern, Switzerland
| | - Stefan Mebs
- Institute for Experimental Physics, Free University of Berlin, 14195, Berlin, Germany
| | - Olga V Naumova
- Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Dmitry Yu Protasov
- Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Kirill A Svit
- Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Irina G Irtegova
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Ekaterina A Radiush
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Irina Yu Bagryanskaya
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Leonid A Shundrin
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
| | - Andrey V Zibarev
- Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia
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10
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Gani I, Sofi ZI, Kaur G, Goswami A, Bhat KA. Hemisynthesis and cytotoxic evaluation of manoyl oxide analogs from sclareol: effect of two tertiary hydroxyls & Heck coupling on cytotoxicity. Nat Prod Res 2024:1-10. [PMID: 38635350 DOI: 10.1080/14786419.2024.2342558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/06/2024] [Indexed: 04/20/2024]
Abstract
Sclareol, a bioactive diterpene alcohol isolated from Salvia sclarea, was subjected to structural modification and cytotoxic evaluation. Boron-Heck-coupled analogs of manoyl oxide were prepared from sclareol in a two-step reaction scheme. In the first step manoyl oxide was prepared from sclareol using cerium (IV) ammonium nitrate. Further the structural modification of manoyl oxide via Palladium (II) catalysed Boron-Heck coupling reaction produced a new series of compounds. All the synthesised compounds were screened for in vitro cytotoxic evaluation against four cancer cell lines HCT-116, MCF-7, MDA-MB231and MDA-MB468. The results showed that manoyl oxide is less active than sclareol. Sclareol shows an IC50 of 2.0 µM compared to manoyl oxide with an IC50 of 50 µM against the MCF-7 cell line. From the results it was inferred that the presence of two tertiary hydroxyls in sclareol are necessary for its cytotoxic activity and Heck coupled analogs are more active than sclareol and manoyl oxide.
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Affiliation(s)
- Ifshana Gani
- Bio-organic Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Srinagar, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
| | - Zahidul Islam Sofi
- Bio-organic Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Srinagar, India
| | - Gursimar Kaur
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Anindya Goswami
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Khursheed Ahmad Bhat
- Bio-organic Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Srinagar, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
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11
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Liu F, Liu X. Amphiphilic Dendronized Copolymer-Encapsulated Au, Ag and Pd Nanoparticles for Catalysis in the 4-Nitrophenol Reduction and Suzuki-Miyaura Reactions. Polymers (Basel) 2024; 16:1080. [PMID: 38674999 PMCID: PMC11054709 DOI: 10.3390/polym16081080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/09/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
The branched structures of dendronized polymers can provide good steric stabilization for metal nanoparticle catalysts. In this work, an amphiphilic dendronized copolymer containing hydrophilic branched triethylene glycol moieties and hydrophobic branched ferrocenyl moieties is designed and prepared by one-pot ring-opening metathesis polymerization, and is used as the stabilizer for metal (Au, Ag and Pd) nanoparticles. These metal nanoparticles (Au nanoparticles: 3.5 ± 3.0 nm; Ag nanoparticles: 7.2 ± 4.0 nm; Pd nanoparticles: 2.5 ± 1.0 nm) are found to be highly active in both the 4-nitrophenol reduction and Suzuki-Miyaura reactions. In the 4-nitrophenol reduction, Pd nanoparticles have the highest catalytic ability (TOF: 2060 h-1). In addition, Pd nanoparticles are also an efficient catalyst for Suzuki-Miyaura reactions (TOF: 1980 h-1) and possess good applicability for diverse substrates. The amphiphilic dendronized copolymer will open a new door for the development of efficient metal nanoparticle catalysts.
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Affiliation(s)
| | - Xiong Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, China;
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12
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Coin G, Jiang T, Bordi S, Nichols PL, Bode JW, Wanner BM. Automated, Capsule-Based Suzuki-Miyaura Cross Couplings. Org Lett 2024; 26:2708-2712. [PMID: 37126221 DOI: 10.1021/acs.orglett.3c01057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The development of an automated process for Suzuki-Miyaura cross couplings is described, in which the complete reaction, workup, and product isolation are effected automatically with no user involvement, aside from loading of the starting materials and reaction capsule. This practical and simple method was successfully demonstrated to provide the desired biaryl products using a range of aryl bromides and boronic acids and is also effective for the late-stage functionalization of aryl halides in bioactive molecules.
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Affiliation(s)
- Guillaume Coin
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Tuo Jiang
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
| | - Samuele Bordi
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
| | - Paula L Nichols
- Synple Chem AG, Kemptpark 18, 8310 Kemptthal, Switzerland
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Jeffrey W Bode
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland
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13
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Faiges J, Biosca M, Pericàs MA, Besora M, Pàmies O, Diéguez M. Unlocking the Asymmetric Hydrogenation of Tetrasubstituted Acyclic Enones. Angew Chem Int Ed Engl 2024; 63:e202315872. [PMID: 38093613 DOI: 10.1002/anie.202315872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Indexed: 12/30/2023]
Abstract
Asymmetric hydrogenation (AH) of tetrasubstituted olefins generating two stereocenters is still an open topic. There are only a few reports on the AH of tetrasubstituted olefins with conjugated functional groups, while this process can create useful intermediates for the subsequent elaboration of relevant end products. Most of the tetrasubstituted olefins successfully submitted to AH belong to a small number of functional classes; remarkably, the AH of tetrasubstituted acyclic enones still represents an unsolved challenge. Herein, we disclose a class of air-stable Ir-P,N catalysts, prepared in three steps from commercially available amino alcohols, that can hydrogenate, in minutes, a wide range of electronically and sterically diverse acyclic tetrasubstituted enones (including exocyclic ones) with high yields and high enantioselectivities. The factors responsible for the excellent selectivities were elucidated by combining deuterogenation experiments and theoretical calculations. The calculations indicated that the reduction follows an IrI /IrIII mechanism, in which enantioselectivity is controlled in the first migratory insertion of the hydride to the most electrophilic olefinic Cβ and the formation of the hydrogenated product via reductive elimination takes place prior to the coordination of dihydrogen and the subsequent oxidative addition. The potential of the new catalytic systems is demonstrated by the derivatization of hydrogenation products.
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Affiliation(s)
- Jorge Faiges
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Maria Biosca
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Miquel A Pericàs
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Maria Besora
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Oscar Pàmies
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
| | - Montserrat Diéguez
- Universitat Rovira i Virgili, Departament de Química Física i Inorgànica, C/Marcel⋅lí Domingo, 1, 43007, Tarragona, Spain
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14
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Abstract
Organoboron acids are stable, organic-soluble Lewis acids with potential application as catalysts for a wide variety of chemical reactions. In this review, we summarize the utility of boronic and borinic acids, as well as boric acid, as catalysts for organic transformations. Typically, the catalytic processes exploit the Lewis acidity of trivalent boron, enabling the reversible formation of a covalent bond with oxygen. Our focus is on recent developments in the catalysis of dehydration, carbonyl condensation, acylation, alkylation, and cycloaddition reactions. We conclude that organoboron acids have a highly favorable prospectus as the source of new catalysts.
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Affiliation(s)
- Brian J Graham
- Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - Ronald T Raines
- Department of Chemistry, Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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15
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Serafino A, Pierre H, Le Vaillant F, Boutet J, Guillamot G, Neuville L, Masson G. Visible-Light-Driven Decarboxylative Borylation: Rapid Access to α- and β-Amino-boronamides. Org Lett 2023; 25:9249-9254. [PMID: 38113295 DOI: 10.1021/acs.orglett.3c04067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
In this study, we described a two-step process involving an efficient visible-light-induced decarboxylative borylation of α- and β-amino redox-active esters with bis(catecholato)diboron, followed by transamination with 1,8-diaminonapthalene (DANH2). A series of boronamides were obtained in moderate to excellent yields in this one-pot procedure. The photochemical process proved to be very efficient even when conducted under flow conditions with shorter reaction durations and scalable synthesis of DAN boronates.
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Affiliation(s)
- Andrea Serafino
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
| | - Hugo Pierre
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Franck Le Vaillant
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Julien Boutet
- SEQENS SAS, 21 Chemin de la Sauvegarde, 21 Ecully Parc, 69130 Ecully, France
| | - Gérard Guillamot
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
| | - Luc Neuville
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Géraldine Masson
- Labcom HitCat, SEQENS-CNRS Joint Laboratory, SEQENS'Lab, 8 Rue de Rouen, 78440 Porcheville, France
- Institut de Chimie des Substances Naturelles (ICSN), CNRS UPR 2301, Université Paris-Saclay, 1 avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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16
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Payamifar S, Poursattar Marjani A. A new β-cyclodextrin-based nickel as green and water-soluble supramolecular catalysts for aqueous Suzuki reaction. Sci Rep 2023; 13:21279. [PMID: 38042885 PMCID: PMC10693598 DOI: 10.1038/s41598-023-48603-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 11/28/2023] [Indexed: 12/04/2023] Open
Abstract
A water-soluble nickel complex based on amino-β-CD was developed using a facile method and exhibits excellent catalytic performance in the Suzuki reaction in water. This synthesized complex has been characterized using UV-Vis, AAS, TGA, and FT-IR techniques. The easily synthesized novel supramolecular catalysts have been applied as a green and eco-friendly catalyst in the Suzuki coupling for preparing diverse biaryls. This result indicates that using 2.5 mol% of nickel, K2CO3 as the best base, and water as the green solvent are the best reaction conditions. This new catalyst features easy handling, low-cost, mild, and simple protocol. The use of low-cost and accessibility of the reagents, modest conditions, and good yields of products are notable characteristics of this method. Using aqueous media with this catalyst as a proper catalyst makes the presented process a fascinating method compared to most reports. Under mild reaction conditions, this green Ni(II)-β-CD catalyst displayed recyclable behavior seven times with minor loss in its catalytic activity.
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Affiliation(s)
- Sara Payamifar
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran
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17
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Werner L, Hagn J, Radius U. NHC-Stabilized Dialanes(4) of Al 2 Mes 4. Chemistry 2023; 29:e202303111. [PMID: 37792718 DOI: 10.1002/chem.202303111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 09/29/2023] [Accepted: 10/02/2023] [Indexed: 10/06/2023]
Abstract
The synthesis and characterization of novel N-heterocyclic carbene (NHC) stabilized dialanes Al2 Mes4 as well as first investigations concerning the reactivity of these compounds are reported. The synthesis of these compounds proceeds via the mesityl-substituted alanes (NHC)⋅AlHMes2 (NHC=IMeMe {=1,3,4,5-tetramethyl-imidazolin-2-ylidene}, IiPrMe {=1,3-di-iso-propyl-4,5-dimethylimidazolin-2-ylidene}) and iodo-alanes (NHC)⋅AlIMes2 (NHC=IMeMe , IiPrMe ). Metallic reduction of (NHC)⋅AlIMes2 afforded the new NHC-stabilized dialanes (NHC)2 ⋅Al2 Mes4 (NHC=IMeMe , IiPrMe ). The NHC-ligated dialanes are thermally robust and storable synthons for the dialane Al2 Mes4 . First reactivity studies on (IMeMe )2 ⋅Al2 Mes4 towards small molecules confirm this, as this compound shows controlled and selective reactions with several substrates. Reaction with CuCl leads to oxidation of the dialane and formation of (IMeMe )⋅AlClMes2 , reactions with pyridine N-oxide and t Bu-N=C=S, respectively, gave the chalcogenide-bridged dimers {(IMeMe )⋅AlMes2 }2 -μ-E (E=O, S), and reaction with acetylene afforded the dimetallaacetylide {(IMeMe )⋅AlMes2 }2 -μ-(C≡C).
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Affiliation(s)
- Luis Werner
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Julika Hagn
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Udo Radius
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
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18
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Bressi V, Len T, Polidoro D, Esposito R, Mazur M, Selva M, Espro C, Luque R. Controllable deposition of dispersed Pd nanoparticles on ZnO for Suzuki-Miyaura cross-coupling reactions. Dalton Trans 2023; 52:17279-17288. [PMID: 37937421 DOI: 10.1039/d3dt02295a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Palladium nanoparticles find extensive applications in catalysis in both homogeneously and heterogeneously catalyzed processes. Supporting metal nanoparticles enhances their stability as compared to their unsupported counterparts. The role of catalytic support is increasingly recognized as crucial in determining the behaviour of these materials. However, controlling the deposition and anchoring of palladium nanoparticles remains a significant challenge. This contribution discusses the preparation of straight lines of palladium particles on zinc oxide by wet impregnation. This phenomenon is attributed to the highly stepped morphology of the employed ZnO that created steric anchoring sites to stabilize the metal particles. Palladium-based catalysts were evaluated for the valuable Suzuki-Miyaura cross-coupling reaction. The dispersed Pd/ZnO catalyst achieved a conversion rate of 86% with 100% selectivity, remarkably superior to that of the Pd/Al2O3 and Pd/TiO2 counterparts.
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Affiliation(s)
- Viviana Bressi
- Department of Engineering, University of Messina, C.da di Dio, Vill. S. Agata, Messina, Italy
- Departamento de Química Orgánica, Instituto de Química Fina y Nanoquímica, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, Cordoba, Spain.
| | - Thomas Len
- Departamento de Química Orgánica, Instituto de Química Fina y Nanoquímica, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, Cordoba, Spain.
| | - Daniele Polidoro
- Department of Molecular Science and Nanosystems, Ca' Foscari, University of Venice, Via Torino 155, Venezia Mestre, Italy
| | - Roberto Esposito
- University of Naples Federico II, Department of Chemical Sciences, IT-80126 Naples, Italy
| | - Michal Mazur
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Hlavova 8, 12843 Prague 2, Czech Republic
| | - Maurizio Selva
- Department of Molecular Science and Nanosystems, Ca' Foscari, University of Venice, Via Torino 155, Venezia Mestre, Italy
| | - Claudia Espro
- Department of Engineering, University of Messina, C.da di Dio, Vill. S. Agata, Messina, Italy
| | - Rafael Luque
- Universitá degli studi Mediterranea di Reggio Calabria (UNIRC), DICEAM, Via Zehender (già via Graziella), Loc. Feo di Vito, I89122, Reggio Calabria, Italy.
- Universidad ECOTEC, Km. 13.5 Samborondon, Samborondon, EC092302, Ecuador
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19
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Singh J, Saini S, Chauhan RK, Bhardwaj P, Kumar A, Virender. An Isoniazid Based Schiff Base Sensor for Selective Detection of Pd 2+ Ions. J Fluoresc 2023:10.1007/s10895-023-03491-x. [PMID: 37971608 DOI: 10.1007/s10895-023-03491-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
Here, we developed a novel isoniazid based fluorescent probe (E)-N'-(thiophen-2-ylmethylene)isonicotinohydrazide (TINH) through simple condensation reaction and employed for selective detection of Pd2+ ions with a low detection limit of 4.102 × 10-11 M. Among the many existing cations, TINH bound Pd2+ ions with an association affinity of 9.794 × 105 M-1. Adding Pd2+ ions to ligand solution increased the absorption intensity in UV-Visible and quenched the emission intensity in fluorescence spectroscopic experiments. More importantly, this TINH complexed to Pd2+ ions in 1:1 stoichiometric ratio. To evaluate the stability of complexed system, pH experiments has been performed. The binding insights among the ligand and Pd2+ ions has been confirmed by IR spectroscopic and MASS spectrometric methods. Additionally, TINH also applied to real water samples for the identification and measurement of Pd2+ ions. Hence, this system could be highly applicable for detection of Pd2+ ions in environmental and industrial samples with in low detection range.
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Affiliation(s)
- Jasbir Singh
- Department of Chemistry, Baba Mastnath University, Rohtak, 124021, India
| | - Shubham Saini
- Bharat Institute of Pharmacy Degree Course, Pehladpur, Babain-Kurukshetra, 136132, India
| | - Ravish K Chauhan
- Department of Chemistry, Indira Gandhi National College, Ladwa, Kurukshetra, 136132, India.
| | - Pallavi Bhardwaj
- Department of Chemistry, Baba Mastnath University, Rohtak, 124021, India.
| | - Ashwani Kumar
- Department of Chemistry, Kurukshetra University Kurukshetra, Kurukshetra, 136119, India
| | - Virender
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat, 131039, Haryana, India
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20
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Pan Q, Wu Y, Zheng A, Wang X, Li X, Wang W, Gao M, Bibi Z, Chaudhary S, Sun Y. Mechanochemical Synthesis of PdO 2 Nanoparticles Immobilized over Silica Gel for Catalytic Suzuki-Miyaura Cross-Coupling Reactions Leading to the C-3 Modification of 1 H-Indazole with Phenylboronic Acids. Molecules 2023; 28:7190. [PMID: 37894668 PMCID: PMC10609228 DOI: 10.3390/molecules28207190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/15/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
The C-3 modification of 1H-indazole has produced active pharmaceuticals for the treatment of cancer and HIV. But, so far, this transformation has seemed less available, due to the lack of efficient C-C bond formation at the less reactive C-3 position. In this work, a series of silica gel-supported PdO2 nanoparticles of 25-66 nm size were prepared by ball milling silica gel with divalent palladium precursors, and then employed as catalysts for the Suzuki-Miyaura cross-coupling of 1H-indazole derivative with phenylboronic acid. All the synthesized catalysts showed much higher cross-coupling yields than their palladium precursors, and could also be reused three times without losing high activity and selectivity in a toluene/water/ethanol mixed solvent. Although the palladium precursors showed an order of activity of PdCl2(dppf, 1,1'-bis(diphenylphosphino)ferrocene) > PdCl2(dtbpf, 1,1'-bis(di-tert-butylphosphino)ferrocene) > Pd(OAc, acetate)2, the synthesized catalysts showed an order of C1 (from Pd(OAc)2) > C3 (from PdCl2(dtbpf)) > C2 (from PdCl2(dppf)), which conformed to the orders of BET (Brunauer-Emmett-Teller) surface areas and acidities of these catalysts. Notably, the most inexpensive Pd(OAc)2 can be used as a palladium precursor for the synthesis of the best catalyst through simple ball milling. This work provides a highly active and inexpensive series of catalysts for C-3 modification of 1H-indazole, which are significant for the large-scale production of 1H-indazole-based pharmaceuticals.
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Affiliation(s)
- Qin Pan
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Yong Wu
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Aqun Zheng
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
| | - Xiangdong Wang
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Xiaoyong Li
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Wanqin Wang
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Min Gao
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
| | - Zainab Bibi
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
| | - Sidra Chaudhary
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
| | - Yang Sun
- Department of Applied Chemistry, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China
- Xi’an Biomass Green Catalysis and Advanced Valorization International Science and Technology Cooperation Base, No. 28 Xianning West Road, Xi’an 710049, China
- Xixian New District Xingyi Advanced Materials Technology Co., Ltd., Room 1046, 1st Floor, Hongdelou Building No. 20, Science and Technology Innovation Port, Xi’an 712000, China
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21
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Nad P, Mukherjee A. Metal-free C-H Borylation and Hydroboration of Indoles. ACS OMEGA 2023; 8:37623-37640. [PMID: 37867714 PMCID: PMC10586279 DOI: 10.1021/acsomega.3c05071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/12/2023] [Indexed: 10/24/2023]
Abstract
The C-H borylation and hydroboration reactions have emerged as promising synthetic tools to construct organoboron compounds. Organoboron compounds of N-heterocycles, particularly indole derivatives, have found widespread application in a variety of fields. As a result, considerable advancement in the area of C-H borylation and hydroboration reactions of indoles was observed in the last few decades. Among the various synthetic methods applied, the metal-free approach has received special attention. This mini-review discusses the recent progress in the area of C-H borylation and hydroboration reactions of indoles under metal-free conditions, their scope, and brief mechanistic studies.
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Affiliation(s)
- Pinaki Nad
- Department
of Chemistry, Indian Institute of Technology
Bhilai, GEC Campus, Sejbahar, Raipur, Chhattisgarh 492015, India
| | - Arup Mukherjee
- Department
of Chemistry, Indian Institute of Technology
Bhilai, GEC Campus, Sejbahar, Raipur, Chhattisgarh 492015, India
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22
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Agarwal A, Bhatta RP, Kachwal V, Laskar IR. Controlling the sensitivity and selectivity for the detection of nitro-based explosives by modulating the electronic substituents on the ligand of AIPE-active cyclometalated iridium(III) complexes. Dalton Trans 2023; 52:14182-14193. [PMID: 37755119 DOI: 10.1039/d3dt02198j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Nitroaromatic compounds are extremely explosive materials that pose a national security risk and raise environmental concerns. The design and development of sensitive and selective compounds for explosive materials are highly desirable. 'Aggregation-Induced Emission' (AIE) active materials are best suited for sensing purposes because of their sensitivity, fast detection time, and easy operation. By rationally incorporating substituents on the cyclometalated (C^N) ligand, four different AIE active iridium(III) based monocyclometalated complexes with the general formula [Ir(PPh3)2(H)(Cl)(C^N)] were synthesized. The phenyl ring of the phenyl pyridine cyclometalated portion of an iridium(III) complex was substituted with the right substituents to adjust the FMO levels thus, leading to appropriate alignment of the energy levels. Each of the resulting complexes displayed a significant property known as 'Aggregation-Induced Phosphorescent Emission' (AIPE). The complexes were subjected to structural characterization, electrochemical analysis, and photophysical property studies. The synthesized complexes were employed for the detection of aromatic nitro explosive compounds such as trinitrophenol (TNP) and trinitrotoluene (TNT) in the aqueous phase with a high degree of sensitivity. The sensing capabilities of each complex were assessed for these nitro explosive compounds and compared to those of the unsubstituted iridium(III) complex (M). Notably, the best limits of detection for TNP and TNT have been achieved with iridium(III) complexes [M1 (489 pM) and M3 (3.6 nM)] within the literature reported until now. For detecting picric acid with M1, FRET was found to be the potential mechanism, and for TNT, PET was found to be the cause of emission quenching by M3. Furthermore, for low-cost detection, filter paper-based sensing was also found effective for each complex. Real-field sensing of PA in soil samples was also performed.
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Affiliation(s)
- Annu Agarwal
- Department of Chemistry, BITS Pilani, Pilani Campus, Rajasthan, 333031, India.
| | - Ram Prasad Bhatta
- Department of Chemistry, BITS Pilani, Pilani Campus, Rajasthan, 333031, India.
| | - Vishal Kachwal
- Department of Chemistry, BITS Pilani, Pilani Campus, Rajasthan, 333031, India.
- Department of Engineering Science, University of Oxford, Oxford, UK
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23
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Guo Y, Zhuang Z, Feng X, Ma Q, Li N, Jin C, Yoshida H, Tan J. Selective S-Arylation of Sulfenamides with Arynes: Access to Sulfilimines. Org Lett 2023; 25:7192-7197. [PMID: 37733632 DOI: 10.1021/acs.orglett.3c02785] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Sulfilimines, the aza analogues of sulfoxides, are of increasing interest in medicinal and agrochemical research programs. However, the development of efficient routes for their synthesis has remained relatively unexplored. In this study, we report a transition metal-free, selective S-arylation reaction between sulfenamides and arynes, enabling the facile preparation of structurally diverse sulfilimines under mild and redox-neutral conditions in good yields. The application value of our method was further demonstrated by scale-up synthesis, downstream derivatization, and robustness screen.
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Affiliation(s)
- Yifeng Guo
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Zhe Zhuang
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Xiaoying Feng
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Quanyu Ma
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Ningning Li
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Chaochao Jin
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
| | - Hiroto Yoshida
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
| | - Jiajing Tan
- College of Chemistry, Beijing University of Chemical Technology (BUCT), Beijing 100029, China
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24
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Hsia YT, Lu YL, Bai R, Badsara SS, Lee CF. Palladium-catalyzed synthesis of 2,3-disubstituted indoles via arylation of ortho-alkynylanilines with arylsiloxanes. Org Biomol Chem 2023; 21:7602-7610. [PMID: 37681659 DOI: 10.1039/d3ob00961k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
In this study, we report the electrophilic cyclization of N,N-dimethyl-o-alkynylanilines with arylsiloxanes in the presence of [Pd(OAc)2] and Ag2O catalytic system, which leads to the efficient synthesis of indoles, similar to the one that is obtained through Larock indole synthesis. A range of aryl(trimethoxy)silanes with EDGs and EWGs were successfully utilized for the synthesis of a diverse variety of substituted indoles via the cleavage of the C-Si bond. This protocol exhibits good functional group tolerance and wide substrate scope to provide 2,3-diaryl-N-methylindoles in 26-88% yields.
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Affiliation(s)
- Yang-Ting Hsia
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 402, Republic of China.
| | - Yu-Lin Lu
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 402, Republic of China.
| | - Rekha Bai
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 402, Republic of China.
| | - Satpal Singh Badsara
- MFOS Laboratory, Department of Chemistry, University of Rajasthan, Jaipur, Rajasthan 302004, India.
| | - Chin-Fa Lee
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan 402, Republic of China.
- i-Center for Advanced Science and Technology (iCAST), National Chung Hsing University, Taichung City 402, Taiwan, Republic of China
- Innovation and Development Center of Sustainable Agriculture (IDCSA), National Chung Hsing University, Taichung City 402, Taiwan, Republic of China
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25
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Ejjoummany A, Elie J, El Hakmaoui A, Akssira M, Routier S, Buron F. Access and Modulation of Substituted Pyrrolo[3,4- c]pyrazole-4,6-(2 H,5 H)-diones. Molecules 2023; 28:5811. [PMID: 37570778 PMCID: PMC10421423 DOI: 10.3390/molecules28155811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
The first access to polyfunctionnalized pyrrolo[3,4-c]pyrazole-4,6-(2H,5H)-dione derivatives is reported. The series were generated from diethyl acetylenedicarboxylate and arylhydrazines, which afforded the key intermediates bearing two functional positions. The annellation to generate the maleimide moiety of the bicycle was studied. Moreover, an efficient palladium-catalyzed C-C and C-N bond formation via Suzuki-Miyaura or Buchwald-Hartwig coupling reactions in C-6 position was investigated from 6-chloropyrrolo[3,4-c]pyrazole-4,6-(2H,5H)-diones. This method provides novel access to various 1,6 di-substituted pyrrolo[3,4-c] pyrazole-4,6-(2H,5H)-diones.
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Affiliation(s)
- Abdelaziz Ejjoummany
- Institut de Chimie Organique et Analytique, Université d’Orléans, UMR CNRS 7311, BP 6759, CEDEX 2, F-45067 Orléans, France
- Faculté des Sciences et Technique, Université Hassan II-Casablanca, BP 146, Mohammedia 28800, Morocco
| | - Jonathan Elie
- Institut de Chimie Organique et Analytique, Université d’Orléans, UMR CNRS 7311, BP 6759, CEDEX 2, F-45067 Orléans, France
| | - Ahmed El Hakmaoui
- Faculté des Sciences et Technique, Université Hassan II-Casablanca, BP 146, Mohammedia 28800, Morocco
| | - Mohamed Akssira
- Faculté des Sciences et Technique, Université Hassan II-Casablanca, BP 146, Mohammedia 28800, Morocco
| | - Sylvain Routier
- Institut de Chimie Organique et Analytique, Université d’Orléans, UMR CNRS 7311, BP 6759, CEDEX 2, F-45067 Orléans, France
| | - Frédéric Buron
- Institut de Chimie Organique et Analytique, Université d’Orléans, UMR CNRS 7311, BP 6759, CEDEX 2, F-45067 Orléans, France
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26
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Yang S, Yu X, Liu Y, Tomasini M, Caporaso L, Poater A, Cavallo L, Cazin CSJ, Nolan SP, Szostak M. Suzuki-Miyaura Cross-Coupling of Amides by N-C Cleavage Mediated by Air-Stable, Well-Defined [Pd(NHC)(sulfide)Cl2] Catalysts: Reaction Development, Scope, and Mechanism. J Org Chem 2023. [PMID: 37467445 DOI: 10.1021/acs.joc.3c00912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The Suzuki-Miyaura cross-coupling of amides by selective N-C acyl bond cleavage represents a powerful tool for constructing biaryl ketones from historically inert amide bonds. These amide bond activation reactions hinge upon efficient oxidative addition of the N-C acyl bond to Pd(0). However, in contrast to the well-researched activation of aryl halides by C(sp2)-X oxidative addition, very few studies on the mechanism of C(acyl)-N bond oxidative addition and catalyst effect have been reported. Herein, we report a study on [Pd(NHC)(sulfide)Cl2] catalysts in amide N-C bond activation. These readily prepared, well-defined, air- and moisture-stable Pd(II)-NHC catalysts feature SMe2 (DMS = dimethylsulfide) or S(CH2CH2)2 (THT = tetrahydrothiophene) as ancillary ligands. The reaction development, kinetic studies, and reaction scope are presented. Extensive DFT studies were conducted to gain insight into the mechanism of C(acyl)-N bond oxidative addition and catalyst activation. We expect that [Pd(NHC)(sulfide)Cl2] precatalysts featuring sulfides as well-defined, readily accessible ancillary ligands will find application in C(acyl)-X bond activation in organic synthesis and catalysis.
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Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Yaxu Liu
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Michele Tomasini
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, Campus Montilivi, Girona, Catalonia 17003, Spain
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
| | - Lucia Caporaso
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, Campus Montilivi, Girona, Catalonia 17003, Spain
| | - Luigi Cavallo
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
- KAUST Catalysis Center (KCC), King Abdullah University of Science & Technology, 23955-6900 Thuwal, Saudi Arabia
| | - Catherine S J Cazin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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27
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Liu X, Liu F. Bimetallic (AuAg, AuPd and AgPd) nanoparticles supported on cellulose-based hydrogel for reusable catalysis. Carbohydr Polym 2023; 310:120726. [PMID: 36925251 DOI: 10.1016/j.carbpol.2023.120726] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/18/2023] [Accepted: 02/15/2023] [Indexed: 02/26/2023]
Abstract
Biopolymer-derived hydrogels with low-cost and sustainable features have been considered as fascinating supported materials for metal nanoparticles. Cellulose, as the most abundant biopolymer, is a renewable raw material to prepare biopolymer-derived hydrogels for catalysis. Here, a cellulose-based hydrogel is designed to load bimetallic (AuAg, AuPd and AgPd) nanoparticles. 4-Nitrophenol reduction and Suzuki-Miyaura coupling reactions are selected to evaluate and compare the catalytic performance of the resulting bimetallic nanoparticle-loaded cellulose-based composite hydrogels. The bimetallic nanocomposite hydrogels are easy to be recycled over 10 times during the catalytic experiments and possess good applicability and generality for various substrates. The catalytic activity of bimetallic nanocomposite hydrogels was compared with recent literatures. In addition, the possible catalytic mechanism is also proposed. This work is expected to give a new insight for designing and preparing bimetallic nanoparticle-based cellulose hydrogels and proves its applicability and prospect in the catalytic field.
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Affiliation(s)
- Xiong Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China.
| | - Fangfei Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China.
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28
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Fan R, Liu S, Yan Q, Wei Y, Wang J, Lan Y, Tan J. Empowering boronic acids as hydroxyl synthons for aryne induced three-component coupling reactions. Chem Sci 2023; 14:4278-4287. [PMID: 37123174 PMCID: PMC10132127 DOI: 10.1039/d3sc00072a] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 03/13/2023] [Indexed: 03/16/2023] Open
Abstract
Boronic acids have become one of the most prevalent classes of reagents in modern organic synthesis, displaying various reactivity profiles via C-B bond cleavage. Herein, we describe the utilization of a readily available boronic acid as an efficient surrogate of hydroxide upon activation via fluoride complexation. The hitherto unknown aryne induced ring-opening reaction of cyclic sulfides and three-component coupling of fluoro-azaarenes are developed to exemplify the application value. Different from metal hydroxides or water, this novel hydroxy source displays mild activation conditions, great functionality tolerance and structural tunability, which shall engender a new synthetic paradigm and in a broad context offer new blueprints for organoboron chemistry. Detailed computational studies also recognize the fluoride activation mode, provide in-depth insights into the unprecedented mechanistic pathway and elucidate the reactivity difference of ArB(OH) x F y complexes, which fully support the experimental data.
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Affiliation(s)
- Rong Fan
- Department of Organic Chemistry, Beijing University of Chemical Technology Beijing 100029 China
| | - Shihan Liu
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 400030 China
| | - Qiang Yan
- Department of Organic Chemistry, Beijing University of Chemical Technology Beijing 100029 China
| | - Yun Wei
- Department of Organic Chemistry, Beijing University of Chemical Technology Beijing 100029 China
| | - Jingwen Wang
- Department of Organic Chemistry, Beijing University of Chemical Technology Beijing 100029 China
| | - Yu Lan
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 400030 China
- ZhengZhou JiShu Institute of AI Science Zhengzhou 450000 China
| | - Jiajing Tan
- Department of Organic Chemistry, Beijing University of Chemical Technology Beijing 100029 China
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29
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Schmidt AF, Kurokhtina AA, Larina EV, Lagoda NA. Active Pd intermediates of the Suzuki-Miyaura reaction with low reactive aryl chlorides under “ligand-free” conditions. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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30
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Al-Akhras AA, Zahra JA, El-Abadelah MM, Abu-Niaaj LF, Khanfar MA. 8-Amino-7-(aryl/hetaryl)fluoroquinolones. An emerging set of synthetic antibacterial agents. Z NATURFORSCH C 2023; 78:157-168. [PMID: 36278497 DOI: 10.1515/znc-2022-0143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 09/28/2022] [Indexed: 11/15/2022]
Abstract
This study reports the synthesis of seven new 8-amino-7-(aryl/hetaryl)fluoroquinolones and their antibacterial activity against 10 bacteria associated with microbial infections and foodborne illnesses. These fluoroquinolones are prepared via the reactions of selected aryl(hetaryl)boronic acids with ethyl-7chloro-6-fluoro-8-nitroquinolone-3-carboxylate, under Suzuki-Miyaura cross-coupling conditions. Nitro group reduction of the latter resulted in the corresponding 8-aminoquinolone-3-esters which upon hydrolysis formed the respective 8-amino-7-(aryl/hetaryl)-quinolone-3-carboxylic acids. The latter compounds were tested against selected Gram-negative bacteria (Escherichia coli, Salmonella typhimurium, Pseudomonas aeruginosa, Acinetobacter baumannii, and Klebsiella pneumonia) and Gram-positive bacteria (Enterococcus feacalis, Listeria monocytogenes, Streptococcus agalactiae, Staphylococcus epidermidis, and Staphylococcus aureus). The tested fluoroquinolones showed a significant antimicrobial activity against most of the tested bacterial strains. The antimicrobial activity of some of the tested compounds were comparable to or higher than a wide range of standard antibiotics including ampicillin, ciprofloxacin, and imipenem. The results highlight the new synthesized 8-amino-7-(aryl/hetaryl)fluroquinolones as promising candidates for new antimicrobial drugs to treat bacterial infections. This study highlights that the newly synthetic 8-amino-7-(aryl/hetaryl)fluroquinolones are promising candidates for new antimicrobial drugs to treat human diseases including foodborne illnesses.
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Affiliation(s)
- Ala'a A Al-Akhras
- Chemistry Department, Faculty of Science, The University of Jordan, Amman, 11942, Jordan.,Chemistry Department, Faculty of Science, Jerash University, Jerash, Jordan
| | - Jalal A Zahra
- Chemistry Department, Faculty of Science, The University of Jordan, Amman, 11942, Jordan
| | - Mustafa M El-Abadelah
- Chemistry Department, Faculty of Science, The University of Jordan, Amman, 11942, Jordan
| | - Lubna F Abu-Niaaj
- Department of Agricultural and Life Sciences, College of Engineering, Science, Technology and Agriculture, Central State University, Wilberforce, OH 45384, USA
| | - Monther A Khanfar
- Chemistry Department, Faculty of Science, The University of Jordan, Amman, 11942, Jordan.,Department of Chemistry, Pure and Applied Chemistry Group, College of Sciences, University of Sharjah, Sharjah 27272, UAE
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31
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Du J, Peng Y, Guo X, Zhang G, Zhang F, Fan X, Peng W, Li Y. Atomically Dispersed Pd Sites on ZrO2 Hybridized N-Doped Carbon for Efficient Suzuki–Miyaura Reaction. Catalysts 2023. [DOI: 10.3390/catal13040651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Researchers studying heterogeneous catalysis are intrigued by single-atom catalysts (SACs) due to their ultrahigh atomic utilization. However, only a few reports on SAC-catalyzed classical organic transformations are available. In this work, atomically dispersed Pd sites are confined to a ZrO2 hybridized N-doped carbon skeleton with a smart design. UiO-66-NH2 is used to anchor Pd atoms by the coordination of the donor atoms including lone pairs of electrons and metal atoms. Subsequently, the in situ introduction of ZrO2 doping is achieved using pyrolysis, which helps improve the catalytic performance by modulating the electronic state. The Pd@ZrO2/N–C catalyst obtained from the unique design exhibits a high yield (99%) in eco-friendly media with an extremely low noble metal dosage (0.03 mol% Pd) for the Suzuki reaction. Moreover, Pd@ZrO2/N–C remains highly active after being reused several times and possesses versatility in a variety of substrates. This strategy offers a feasible alternative to designing SACs with atomically dispersed noble metals for heterogeneous reactions.
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32
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Roh B, Farah AO, Kim B, Feoktistova T, Moeller F, Kim KD, Cheong PHY, Lee HG. Stereospecific Acylative Suzuki–Miyaura Cross-Coupling: General Access to Optically Active α-Aryl Carbonyl Compounds. J Am Chem Soc 2023; 145:7075-7083. [PMID: 37016901 DOI: 10.1021/jacs.3c00637] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
A novel strategy for the stereospecific Pd-catalyzed acylative cross-coupling of enantiomerically enriched alkylboron compounds has been developed. The protocol features an extremely high level of enantiospecificity to allow facile access to synthetically challenging and valuable chiral ketones and carboxylic acid derivatives. The use of a sterically encumbered and electron-rich phosphine ligand proved to be crucial for the success of the reaction. Furthermore, on the basis of experimental and computational studies, a unique mechanism for the transmetalation, assisted by the noncovalent interactions of the C(sp3)-based organoboron reagent, has been identified.
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Affiliation(s)
- Byeongdo Roh
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Abdikani Omar Farah
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-2145, United States
| | - Beomsu Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Taisiia Feoktistova
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-2145, United States
| | - Finn Moeller
- Department of Chemistry, Johannes Gutenberg University Mainz, 55128 Mainz, Germany
| | - Kyeong Do Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Paul Ha-Yeon Cheong
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, Oregon 97331-2145, United States
| | - Hong Geun Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
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33
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Sukhikh TS, Davydova MP, Artem'ev AV. Crystal structure of tetrakis(triphenylphosphine)palladium(0). MENDELEEV COMMUNICATIONS 2023. [DOI: 10.1016/j.mencom.2023.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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34
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Otaola F, Mottelet S, Guénin E, Luart D, Leturia M. Additive manufacturing of microstructured reactors for organometallic catalytic reactions. LAB ON A CHIP 2023; 23:702-713. [PMID: 36412241 DOI: 10.1039/d2lc00816e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The use of Additive Manufacturing for the fabrication of chemical reactors for flow chemistry is a promising field as it can lead to several improvements over more standard equipment. In this work, two different reactors were fabricated and compared: a Honeycomb monolith reactor with straight channels and a Periodic Open Cell Structure reactor. The Honeycomb monolith reactor was used as an example of a standard reactor (not necessarily additive manufactured) while the Periodic Open Cell Structure is a promising new type of reactor, which improves some key features, such as contact surface area and porosity. The two reactors were manufactured by Stereolithography technology with a high temperature resin and their internal surfaces were chemically activated by the grafting of palladium. For the surface activation, a two-step procedure was developed, firstly using NaOH and in a second step an aqueous solution of Na2PdCl4. After activation, a heterogeneous catalytic reaction was used to characterize the performance of the two fabricated reactors. The chosen reaction was the Suzuki-Miyaura reaction, which is commonly used in the pharmaceutical industry. The experimental results showed that, for equal contact surface area, the new designed reactor had better performance compared to the standard geometry.
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Affiliation(s)
- Franco Otaola
- ESCOM, TIMR (Integrated Transformations of Renewable Matter), Université de technologie de Compiègne, Centre de recherche Royallieu, CS 60319 - 6020, Compiègne Cedex, France.
| | - Stéphane Mottelet
- ESCOM, TIMR (Integrated Transformations of Renewable Matter), Université de technologie de Compiègne, Centre de recherche Royallieu, CS 60319 - 6020, Compiègne Cedex, France.
| | - Erwann Guénin
- ESCOM, TIMR (Integrated Transformations of Renewable Matter), Université de technologie de Compiègne, Centre de recherche Royallieu, CS 60319 - 6020, Compiègne Cedex, France.
| | - Denis Luart
- ESCOM, TIMR (Integrated Transformations of Renewable Matter), Université de technologie de Compiègne, Centre de recherche Royallieu, CS 60319 - 6020, Compiègne Cedex, France.
| | - Mikel Leturia
- ESCOM, TIMR (Integrated Transformations of Renewable Matter), Université de technologie de Compiègne, Centre de recherche Royallieu, CS 60319 - 6020, Compiègne Cedex, France.
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35
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Liu C, Xing YY, Zhou T, Chen T, Hong X, Szostak M. Carboxylic-Phosphoric Anhydrides as Direct Electrophiles for Decarbonylative Hirao Cross-Coupling of Carboxylic Acids: DFT Investigation of Mechanistic Pathway. Chem Asian J 2023; 18:e202201262. [PMID: 36748306 DOI: 10.1002/asia.202201262] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/08/2023]
Abstract
In this anniversary issue, we present a DFT study of the mechanism of decarbonylative Hirao cross-coupling of carboxylic-phosphoric anhydrides to afford aryl phosphonates. Traditionally, the direct activation of carboxylic acids to participate in decarbonylative couplings is performed in the presence of carboxylic acid anhydride activators. We discovered that direct dehydrogenative decarbonylative phosphorylation of benzoic acid can be performed in high yield via dehydrogenative and decarbonylative coupling in the presence of phosphite as dual activating and nucleophilic reagent, enabling direct decarbonylative phosphorylation. Control studies demonstrated that carboxylic-phosphoric anhydride (acyl phosphate) is an intermediate in this process. DFT studies were conducted to gain insight into this decarbonylative process and compare the selectivity of C-O and P-O bond activations. Considering the utility of ubiquitous carboxylic acids, this alternative activation pathway may find applications in decarbonylative coupling of carboxylic acids for the synthesis of valuable molecules in organic synthesis.
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Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai, 200444, P. R. China.,Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, United States
| | - Yang-Yang Xing
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Shandong Normal University, Jinan, 250014, P. R. China
| | - Tongliang Zhou
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, United States
| | - Tieqiao Chen
- Hainan Provincial Key Lab of Fine Chem, Hainan University, Haikou, 570228, P. R. China
| | - Xin Hong
- Center of Chemistry for Frontier Technologies, Department of Chemistry, State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, P. R. China.,Beijing National Laboratory for Molecular Sciences, Zhongguancun North First Street NO. 2, Beijing, 100190, P. R. China.,Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province, School of Science, Westlake University, 18 Shilongshan Road, Hangzhou, 310024, Zhejiang Province, P. R. China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, United States
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36
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Yang S, Yu X, Szostak M. Divergent Acyl and Decarbonylative Liebeskind-Srogl Cross-Coupling of Thioesters by Cu-Cofactor and Pd-NHC (NHC = N-Heterocyclic Carbene) Catalysis. ACS Catal 2023; 13:1848-1855. [PMID: 38037656 PMCID: PMC10686545 DOI: 10.1021/acscatal.2c05550] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Transition-metal-catalyzed cross-coupling reactions of thioesters by selective acyl C(O)-S cleavage have emerged as a powerful platform for the preparation of complex molecules. Herein, we report divergent Liebeskind-Srogl cross-coupling of thioesters by Pd-NHC (NHC = N-heterocyclic carbene) catalysis. The reaction provides straightforward access to functionalized ketones by highly selective C(acyl)-S cleavage under mild conditions. Most crucially, the conditions enable direct functionalization of a range of complex pharmaceuticals decorated with a palette of sensitive functional groups, providing attractive products for medicinal chemistry programs. Furthermore, decarbonylative Liebeskind-Srogl cross-coupling by C(acyl)-S/C(aryl)-C(O) cleavage is reported. Cu metal cofactor directs the reaction pathway to acyl or decarbonylative pathway. This reactivity is applicable to complex pharmaceuticals. The reaction represents the mildest decarbonylative Suzuki cross-coupling discovered to date. The Cu-directed divergent acyl and decarbonylative cross-coupling of thioesters opens up chemical space in complex molecule synthesis.
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Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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37
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Ashraf M, Ahmad MS, Inomata Y, Ullah N, Tahir MN, Kida T. Transition metal nanoparticles as nanocatalysts for Suzuki, Heck and Sonogashira cross-coupling reactions. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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38
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Tsukamoto H, Ito K, Ueno T, Shiraishi M, Kondo Y, Doi T. Palladium(0)-Catalyzed Anti-Selective Addition-Cyclizations of Alkynyl Electrophiles. Chemistry 2023; 29:e202203068. [PMID: 36333971 PMCID: PMC10108115 DOI: 10.1002/chem.202203068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/31/2022] [Accepted: 10/31/2022] [Indexed: 11/08/2022]
Abstract
Palladium(0)/monophosphine complexes catalyze anti-selective alkylative, arylative, and alkynylative cyclizations of alkynyl electrophiles with organometallic reagents. The remarkable anti-selectivity results from novel oxidative addition, that is, the nucleophilic attack of electron-rich palladium(0) on the electrophile across the alkyne followed by transmetalation and reductive elimination ("anti-Wacker"-type cyclization). With regard to 5-alkynals, triphenylphosphine (PPh3 )-ligated palladium(0) catalyzes the cyclization of terminal alkynes and conjugated alkenyl- or alkynyl-substituted ones to afford 2-cyclohexen-1-ol and 2-alkylidene-cyclopentanol derivatives, respectively. For 6-alkyl- or 6-aryl-5-alkynals, the cyclization does not proceed with the palladium/PPh3 catalyst; however, it does proceed with palladium/tricyclohexylphosphine (PCy3 ), to yield the former products predominantly. Remarkably, the latter catalyst completely switches the regioselectivity in the cyclization of the conjugated diyne-aldehydes. Notably, palladium/PPh3 -catalyzed cyclizations also proceed with other organometallics or even without them.
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Affiliation(s)
- Hirokazu Tsukamoto
- Department of Pharmaceutical Sciences, Yokohama University of Pharmacy 601 Matano-cho, Totsuka-ku, Yokohama, 245-0066, Japan.,Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Kazuya Ito
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Tatsuhiko Ueno
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Mitsugu Shiraishi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Yoshinori Kondo
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
| | - Takayuki Doi
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aza-aoba, Aramaki, Aoba-ku, Sendai, 980-8578, Japan
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Khromova OV, Emelyanov MA, Stoletova NV, Bodunova EE, Prima DO, Smol’yakov AF, Eremenko IL, Maleev VI, Larionov VA. Post-Modification of Octahedral Chiral-at-Metal Cobalt(III) Complexes by Suzuki–Miyaura Cross-Coupling and Evaluation of Their Catalytic Activity. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Olga V. Khromova
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Mikhail A. Emelyanov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Nadezhda V. Stoletova
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Ekaterina E. Bodunova
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
- Higher Chemical College of the Russian Academy of Sciences, Miusskaya sq. 9, 125047 Moscow, Russian Federation
| | - Darya O. Prima
- Zelinsky Institute of Organic Chemistry of Russian Academy of Sciences, Leninsky prosp. 47, 119991 Moscow, Russian Federation
| | - Alexander F. Smol’yakov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Igor L. Eremenko
- N. S. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Leninsky prosp. 31, 119991 Moscow, Russian Federation
| | - Victor I. Maleev
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Vladimir A. Larionov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS), Vavilov Str. 28, 119991 Moscow, Russian Federation
- Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya Str. 6, 117198 Moscow, Russian Federation
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40
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Palladium Supported on Bioinspired Materials as Catalysts for C–C Coupling Reactions. Catalysts 2023. [DOI: 10.3390/catal13010210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
In recent years, the immobilization of palladium nanoparticles on solid supports to prepare active and stable catalytic systems has been deeply investigated. Compared to inorganic materials, naturally occurring organic solids are inexpensive, available and abundant. Moreover, the surface of these solids is fully covered by chelating groups which can stabilize the metal nanoparticles. In the present review, we have focused our attention on natural biomaterials-supported metal catalysts applied to the formation of C–C bonds by Mizoroki–Heck, Suzuki–Miyaura and Sonogashira reactions. A systematic approach based on the nature of the organic matrix will be followed: (i) metal catalysts supported on cellulose; (ii) metal catalysts supported on starch; (iii) metal catalysts supported on pectin; (iv) metal catalysts supported on agarose; (v) metal catalysts supported on chitosan; (vi) metal catalysts supported on proteins and enzymes. We will emphasize the effective heterogeneity and recyclability of each catalyst, specifying which studies were carried out to evaluate these aspects.
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41
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Afsina CMA, Aneeja T, Anilkumar G. Zinc-Catalyzed C-C Coupling Reactions. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2023_87] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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42
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Yang S, Yu X, Poater A, Cavallo L, Cazin CSJ, Nolan SP, Szostak M. Buchwald-Hartwig Amination and C-S/S-H Metathesis of Aryl Sulfides by Selective C-S Cleavage Mediated by Air- and Moisture-Stable [Pd(NHC)(μ-Cl)Cl] 2 Precatalysts: Unified Mechanism for Activation of Inert C-S Bonds. Org Lett 2022; 24:9210-9215. [PMID: 36480689 DOI: 10.1021/acs.orglett.2c03717] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We report a combined experimental and mechanistic study on the Buchwald-Hartwig amination and C-S/S-H metathesis of aryl sulfides by selective activation of C-S bonds mediated by well-defined, air- and moisture-stable Pd(II)-NHC precatalysts, [Pd(NHC)(μ-Cl)Cl]2. This class of Pd(II)-NHC precatalysts displays excellent activity in the cross coupling of aryl sulfides. Most crucially, we unravel the unified mechanism for activation of C-S bonds in the C-N cross-coupling and C-S metathesis manifolds, where the inert C-S bond serves as a precursor to valuable amine or thioether products.
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Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, Campus Montilivi, 17003 Girona, Catalonia, Spain
| | - Luigi Cavallo
- KAUST Catalysis Center (KCC), King Abdullah University of Science & Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Catherine S J Cazin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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43
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Beckers I, De Vos D. Rational ligand modification maximizes turnover rate in a model Pd-catalyzed C-H arylation. iScience 2022; 26:105790. [PMID: 36594021 PMCID: PMC9803853 DOI: 10.1016/j.isci.2022.105790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/21/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022] Open
Abstract
The direct cross-coupling of (hetero)aromatics without prior functionalization is a promising reaction for the chemical and pharmaceutical industries, enabling the conversion of inexpensive feedstocks in a highly step-efficient manner. However, many C-H arylations rely on high loadings of a Pd catalyst that preclude their use in low-cost applications. In this work, we have maximized the turnover rate of a Pd-catalyzed C-H arylation reaction through rational tuning of the ligands. Starting from a computational study of the catalytic mechanism, a kinetic model was derived that accurately explains the experimental time profiles. Quantitative structure-activity relationships between the substituents on the ligands and the resulting catalytic activity for various C-H arylations were obtained. This study demonstrates that, depending on the coupling partner, the C-H activation is not the sole rate-limiting step, and that the ligands can be adapted accordingly to further accelerate catalytic turnover.
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Affiliation(s)
- Igor Beckers
- KULeuven, Department of Microbial and Molecular Systems, cMACS, Celestijnenlaan 200F, Leuven 3001, Belgium
| | - Dirk De Vos
- KULeuven, Department of Microbial and Molecular Systems, cMACS, Celestijnenlaan 200F, Leuven 3001, Belgium,Corresponding author
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Mohammad Ghadiri A, Farhang M, Hassani P, Salek A, Talesh Ramezani A, Reza Akbarzadeh A. Recent advancements review Suzuki and Heck reactions catalyzed by metalloporphyrins. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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45
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Let S, Dam GK, Samanta P, Fajal S, Dutta S, Ghosh SK. Palladium-Anchored N-Heterocyclic Carbenes in a Porous Organic Polymer: A Heterogeneous Composite Catalyst for Eco-Friendly C–C Coupling. J Org Chem 2022; 87:16655-16664. [DOI: 10.1021/acs.joc.2c02325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Sumanta Let
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Gourab K. Dam
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Partha Samanta
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Sahel Fajal
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Subhajit Dutta
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Sujit K. Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
- Centre for Water Research, Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
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46
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Attar SR, Kamble SB. Recent advances in nanoparticles towards sustainability and their application in organic transformations in aqueous media. NANOSCALE 2022; 14:16761-16786. [PMID: 36341716 DOI: 10.1039/d2nr04148k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Nanoparticles (NPs) play a crucial role in organic transformation and are becoming increasingly attractive in the field of catalysis as they show good catalytic activity in organic as well as aqueous media. Numerous NPs have been utilized for several organic transformations in aqueous media, which have led to dedicated efforts for the complete coverage of the application of metal, metal oxide, bimetallic and supported NPs in water-mediated organic transformations in the last decades. This review aims to provide current highlights on the application of various types of metal NPs for organic transformations in aqueous media. The remarkable benefits associated with the catalytic application of NPs in water allows for various transformations to be performed under very mild and green conditions. Lastly, the author's perspectives are briefly considered, including future developments and crucial challenges in the ever-growing field of nanocatalysis.
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Affiliation(s)
- Suraj R Attar
- Department of Chemistry, Yashavantrao Chavan Institute of Science, Satara, Maharashtra, India.
| | - Santosh B Kamble
- Department of Chemistry, Yashavantrao Chavan Institute of Science, Satara, Maharashtra, India.
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47
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Modified Boron Nitride Nanosheets-Loaded Palladium Nanoparticles: An Air-Stable, Highly Active, and Recyclable Multiphase Catalyst for the Suzuki Reaction. Catal Letters 2022. [DOI: 10.1007/s10562-022-04160-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Mazars F, Zaragoza G, Delaude L. Caffeine and theophylline as sustainable, biosourced NHC ligand precursors for efficient palladium-catalyzed Suzuki–Miyaura cross-coupling reactions. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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49
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Farhang M, Akbarzadeh AR, Rabbani M, Ghadiri AM. A retrospective-prospective review of Suzuki–Miyaura reaction: From cross-coupling reaction to pharmaceutical industry applications. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Yang S, Li H, Yu X, An J, Szostak M. Suzuki–Miyaura Cross-Coupling of Aryl Fluorosulfonates Mediated by Air- and Moisture-stable [Pd(NHC)(μ-Cl)Cl] 2 Precatalysts: Broad Platform for C–O Cross-Coupling of Stable Phenolic Electrophiles. J Org Chem 2022; 87:15250-15260. [DOI: 10.1021/acs.joc.2c01778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Hengzhao Li
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Jie An
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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