1
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Chen JH, Zhang LR, Wang ZY, Liu LJ, Tu LP, Zhang Y, Chen YZ, Han WY. De Novo Synthesis of α-Ketoamides via Pd/TBD Synergistic Catalysis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2404266. [PMID: 38986026 DOI: 10.1002/advs.202404266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 06/17/2024] [Indexed: 07/12/2024]
Abstract
Precisely controlling the product selectivity of a reaction is an important objective in organic synthesis. α-Ketoamides are vital intermediates in chemical transformations and privileged motifs in numerous drugs, natural products, and biologically active molecules. The selective synthesis of α-ketoamides from feedstock chemicals in a safe and operationally simple manner under mild conditions is a long-standing catalysis challenge. Herein, an unprecedented TBD-switched Pd-catalyzed double isocyanide insertion reaction for assembling ketoamides in aqueous DMSO from (hetero)aryl halides and pseudohalides under mild conditions is reported. The effectiveness and utility of this protocol are demonstrated by its diverse substrate scope (93 examples), the ability to late-stage modify pharmaceuticals, scalability to large-scale synthesis, and the synthesis of pharmaceutically active molecules. Mechanistic studies indicate that TBD is a key ligand that modulates the Pd-catalyzed double isocyanide insertion process, thereby selectively providing the desired α-ketoamides in a unique manner. In addition, the imidoylpalladium(II) complex and α-ketoimine amide are successfully isolated and determined by X-ray analysis, confirming that they are probable intermediates in the catalytic pathway.
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Affiliation(s)
- Jia-He Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Li-Ren Zhang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Zhang-Yang Wang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Lu-Jie Liu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Li-Ping Tu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Yun Zhang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., Zunyi, 563006, China
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2
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Shan Y, Zhang X, Liu G, Li J, Liu Y, Wang J, Chen D. Cyanation with isocyanides: recent advances and perspectives. Chem Commun (Camb) 2024; 60:1546-1562. [PMID: 38240334 DOI: 10.1039/d3cc05880h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
Cyanation has attracted considerable attention in organic synthesis because nitriles are key structural motifs in numerous important dyes, agrochemicals, natural products and drug molecules. As the fourth generation of cyanating reagents, isocyanides occupy a prominent place in the synthesis of nitriles due to their favorable stability, easy operability and high reactivity. In recent years, three types of cyanation with isocyanides have been established: the cleavage of the C-NC bond of tertiary alkyl isocyanides (Type I), the rearrangement of aryl isocyanides with azides (Type II), and the reductive cyanation of ketones with α-acidic isocyanides (Type III). This review focuses on advances in cyanation with isocyanides with an emphasis on reaction scope, limitations and mechanisms, which could reveal their remarkable value and superiority for accessing various nitriles. In addition, the future development prospects of this specific field are also introduced. We believe that this feature article will serve as a comprehensive tool to navigate cyanation with isocyanides across the vast area of synthetic chemistry.
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Affiliation(s)
- Yingying Shan
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Xiuhua Zhang
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Gongle Liu
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Jianming Li
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Yongwei Liu
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Jia Wang
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Dianpeng Chen
- Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
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3
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Chatziorfanou E, Romero AR, Chouchane L, Dömling A. Crystal Clear: Decoding Isocyanide Intermolecular Interactions through Crystallography. J Org Chem 2024; 89:957-974. [PMID: 38175810 PMCID: PMC10804414 DOI: 10.1021/acs.joc.3c02038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/13/2023] [Accepted: 12/12/2023] [Indexed: 01/06/2024]
Abstract
The isocyanide group is the chameleon among the functional groups in organic chemistry. Unlike other multiatom functional groups, where the electrophilic and nucleophilic moieties are typically separated, isocyanides combine both functionalities in the terminal carbon. This unique feature can be rationalized using the frontier orbital concept and has significant implications for its intermolecular interactions and the reactivity of the functional group. In this study, we perform a Cambridge Crystallographic Database-supported analysis of isocyanide intramolecular interactions to investigate the intramolecular interactions of isocyanides in the solid state, excluding isocyanide-metal complexes. We discuss examples of different interaction classes, including the isocyanide as a hydrogen bond acceptor (RNC···HX), halogen bonding (RNC···X), and interactions involving the isocyanide and carbon atoms (RNC···C). The latter interaction serves as an intriguing illustration of a Bürgi-Dunitz trajectory and represents a crucial experimental detail in the well-known multicomponent reactions such as the Ugi- and Passerini-type mechanisms. Understanding the spectrum of intramolecular interactions that isocyanides can undergo holds significant implications in fields such as medicinal chemistry, materials science, and asymmetric catalysis.
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Affiliation(s)
- Eleftheria Chatziorfanou
- Innovative
Chemistry Group, Institute of Molecular and Translational Medicine,
Faculty of Medicine and Dentistry and Czech Advanced Technology and
Research Institute, Palacky University in
Olomouc, Olomouc 779 00, Czech Republic
| | - Atilio Reyes Romero
- Genetic
Intelligence Laboratory, Weill Cornell Medicine-Qatar, Qatar Foundation, P.O.
Box 24144, Doha, Qatar
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York 10021, United States
- Department
of Genetic Medicine, Weill Cornell Medicine, New York 10021, United States
| | - Lotfi Chouchane
- Genetic
Intelligence Laboratory, Weill Cornell Medicine-Qatar, Qatar Foundation, P.O.
Box 24144, Doha, Qatar
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York 10021, United States
- Department
of Genetic Medicine, Weill Cornell Medicine, New York 10021, United States
| | - Alexander Dömling
- Innovative
Chemistry Group, Institute of Molecular and Translational Medicine,
Faculty of Medicine and Dentistry and Czech Advanced Technology and
Research Institute, Palacky University in
Olomouc, Olomouc 779 00, Czech Republic
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4
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Roose T, McSorley F, Groenhuijzen B, Saya JM, Maes BUW, Orrù RVA, Ruijter E. Dearomative Spirocyclization of Tryptamine-Derived Isocyanides via Iron-Catalyzed Carbene Transfer. J Org Chem 2023; 88:17345-17355. [PMID: 38048350 PMCID: PMC10729054 DOI: 10.1021/acs.joc.3c02160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 12/06/2023]
Abstract
Tryptamine-derived isocyanides are valuable building blocks in the construction of spirocyclic indolenines and indolines via dearomatization of the indole moiety. We report the Bu4N[Fe(CO)3NO]-catalyzed carbene transfer of α-diazo esters to 3-(2-isocyanoethyl)indoles, leading to ketenimine intermediates that undergo spontaneous dearomative spirocyclization. The utility of this iron-catalyzed carbene transfer/spirocyclization cascade was demonstrated by its use as a key step in the formal total synthesis of monoterpenoid indole alkaloids (±)-aspidofractinine, (±)-limaspermidine, (±)-aspidospermidine, and (±)-17-demethoxy-N-acetylcylindrocarine.
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Affiliation(s)
- Thomas
R. Roose
- Department
of Chemistry & Pharmaceutical Sciences and Amsterdam Institute
for Molecular & Life Science (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Finn McSorley
- Department
of Chemistry & Pharmaceutical Sciences and Amsterdam Institute
for Molecular & Life Science (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Bryan Groenhuijzen
- Department
of Chemistry & Pharmaceutical Sciences and Amsterdam Institute
for Molecular & Life Science (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Jordy M. Saya
- Organic
Chemistry, Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167 KD Geleen, Netherlands
| | - Bert U. W. Maes
- Organic
Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020 Antwerp, Belgium.s
| | - Romano V. A. Orrù
- Organic
Chemistry, Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167 KD Geleen, Netherlands
| | - Eelco Ruijter
- Department
of Chemistry & Pharmaceutical Sciences and Amsterdam Institute
for Molecular & Life Science (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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5
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Takallou A, Al-Siyabi M, Al-Shidhani S, Lotfi Nosood Y, Habibi A, Almaani A, Anwar MU, Al-Harrasi A. Preparation of pyridopyrazines through tandem Pd-catalyzed C-N/C-C coupling reactions of Ugi adducts. Org Biomol Chem 2023. [PMID: 38009012 DOI: 10.1039/d3ob01768k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2023]
Abstract
A Pd-catalyzed selective tandem cyclization of the Ugi adduct via Buchwald-Hartwig/C-H bond functionalization reactions has been reported. This sequence offers an interesting approach for synthesizing a wide range of pyrido[1,2-a]pyrazine-3,6-dione scaffolds under mild reaction conditions in moderate to excellent yields. The scope and limitations of the protocol are discussed.
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Affiliation(s)
- Ahmad Takallou
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Munir Al-Siyabi
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Sulaiman Al-Shidhani
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Yazdanbakhsh Lotfi Nosood
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Azizollah Habibi
- Faculty of Chemistry, Kharazmi University, Daneshgah Square, Shahid Beheshti Street, 31979-37551, Karaj, Iran
| | - Alhajaj Almaani
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Muhammad U Anwar
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman.
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6
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Saeifard L, Amiri K, Rominger F, Müller TJJ, Balalaie S. Synthesis of Polysubstituted Pyrimidines through Palladium-Catalyzed Isocyanide Insertion to 2 H-Azirines. J Org Chem 2023; 88:12519-12525. [PMID: 37524078 DOI: 10.1021/acs.joc.3c01248] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
The domino process of the palladium-catalyzed coupling reaction of isocyanides with 2H-azirine provides various tetrasubstituted pyrimidines via one C-C bond and two C-N bond formations with satisfactory yields. The title compounds are obtained with good functional group tolerance, high atom economy, and broad substrate scopes.
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Affiliation(s)
- Leyla Saeifard
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran
| | - Kamran Amiri
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran
| | - Frank Rominger
- Organisch-Chemisches Institut der Universität Heidelberg, Im Neuenheimer Feld 271, D-69120 Heidelberg, Germany
| | - Thomas J J Müller
- Institut für Organische Chemie und Makromolekulare Chemie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
| | - Saeed Balalaie
- Peptide Chemistry Research Institute, K. N. Toosi University of Technology, P.O. Box 15875-4416, Tehran, Iran
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7
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Chen D, Li J, Liu G, Zhang X, Wang X, Liu Y, Liu X, Liu X, Li Y, Shan Y. Accessing indole-isoindole derivatives via palladium-catalyzed [3+2] cyclization of isocyanides with alkynyl imines. Chem Commun (Camb) 2023; 59:10540-10543. [PMID: 37566103 DOI: 10.1039/d3cc02654j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
A facile protocol for the preparation of indole-isoindole derivatives was developed and proceeds via a palladium-catalyzed [3+2] cyclization of isocyanides with alkynyl imines. In this transformation, the palladium catalyst has a triple role, serving simultaneously as a π acid, a transition-metal catalyst and a hydride ion donor, thus enabling the dual function of isocyanide both as a C1 synthon for cyanation and a C1N1 synthon for imidoylation. Significantly, the reaction is the sole successful example for accessing indole-isoindole derivatives, and will open up new avenues to assemble unique N-heterocycle frameworks. Furthermore, the synthetic value of this protocol is demonstrated in the late-stage modification of physiologically active molecules and in the construction of aggregation-induced emission compounds.
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Affiliation(s)
- Dianpeng Chen
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Jianming Li
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Gongle Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Xiuhua Zhang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Xin Wang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Yongwei Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Xuan Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Xinghai Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Yongqin Li
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
| | - Yingying Shan
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, China.
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8
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Russo C, Brunelli F, Cesare Tron G, Giustiniano M. Isocyanide-Based Multicomponent Reactions Promoted by Visible Light Photoredox Catalysis. Chemistry 2023; 29:e202203150. [PMID: 36458647 DOI: 10.1002/chem.202203150] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 12/03/2022]
Abstract
Isocyanide-based multicomponent reactions claim a one century-old history of flourishing developments. On the other hand, the enormous impact of recent progresses in visible light photocatalysis has boosted the identification of new straightforward and green approaches to both new and known chemical entities. In this context, the application of visible light photocatalytic conditions to multicomponent processes has been promoting key stimulating advancements. Spanning from radical-polar crossover pathways, to photoinduced and self-catalyzed transformations, to reactions involving the generation of imidoyl radical species, the present literature analysis would provide a general and critical overview about the potentialities and challenges of exploiting isocyanides in visible light photocatalytic multicomponent reactions.
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Affiliation(s)
- Camilla Russo
- Department of Pharmacy, University of Naples Federico II, via D. Montesano 49, 80131, Napoli, Italy
| | - Francesca Brunelli
- Department of Drug Science, University of Piemonte Orientale, Largo Donegani 2, 28100, Novara, Italy
| | - Gian Cesare Tron
- Department of Drug Science, University of Piemonte Orientale, Largo Donegani 2, 28100, Novara, Italy
| | - Mariateresa Giustiniano
- Department of Pharmacy, University of Naples Federico II, via D. Montesano 49, 80131, Napoli, Italy
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9
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Roose TR, Preschel HD, Mayo Tejedor H, Roozee JC, Hamlin TA, Maes BUW, Ruijter E, Orru RVA. Iron-Catalysed Carbene Transfer to Isocyanides as a Platform for Heterocycle Synthesis. Chemistry 2023; 29:e202203074. [PMID: 36305372 PMCID: PMC10108253 DOI: 10.1002/chem.202203074] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/07/2022]
Abstract
An iron-catalysed carbene transfer reaction of diazo compounds to isocyanides has been developed. The resulting ketenimines are trapped in situ with various bisnucleophiles to access a range of densely functionalized heterocycles (pyrimidinones, dihydropyrazolones, 1H-tetrazoles) in a one-pot process. The electron-rich Hieber anion ([Fe(CO)3 NO]- ) facilitates efficient catalytic carbene transfer from acceptor-type α-diazo carbonyl compounds to isocyanides, providing a cost-efficient and benign alternative to similar noble metal-catalysed processes. Based on DFT calculations a plausible reaction mechanism for activation of the α-diazo carbonyl carbene precursor and ketenimine formation is provided.
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Affiliation(s)
- Thomas R Roose
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - H Daniel Preschel
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Helena Mayo Tejedor
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Jasper C Roozee
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Trevor A Hamlin
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Bert U W Maes
- Organic Synthesis Division Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | - Eelco Ruijter
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Romano V A Orru
- Department of Chemistry & Pharmaceutical Sciences Amsterdam Institute for Molecular & Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands.,Department of Organic Chemistry Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167 KD, Geleen, The Netherlands
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10
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Fan H, Li A, Li J, Du Z, Wang L, Zhou X, He P, Ren Z. Construction of Tetrazole Derivatives via Sequential Ugi‐N
3
/Pd‐Catalyzed Isocyanide Insertion Reactions. ChemistrySelect 2023. [DOI: 10.1002/slct.202204294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Hao‐Jie Fan
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
| | - A‐Ting Li
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
| | - Jun Li
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
| | - Zi‐Qi Du
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
| | - Long Wang
- College of Materials and Chemical Engineering China Three Gorges University Yichang Hubei 443002 P. R. of China
- Hubei Three Gorges Laboratory Yichang Hubei 443007 P. R. of China
| | - Xian‐Min Zhou
- Hubei Institute of Aerospace Chemical Technology Xiangyang Hubei 441053 P. R. of China
| | - Ping He
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
| | - Zhi‐Lin Ren
- College of Chemical Engineering Hubei University of Arts and Science Xiangyang Hubei Province 441053 P. R. of China
- College of Materials and Chemical Engineering China Three Gorges University Yichang Hubei 443002 P. R. of China
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11
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Domino synthesis of 5-aminoimidazoles from Strecker multicomponent adducts via ytterbium-promoted isocyanide insertion/5-exo-dig cyclization. Mol Divers 2023; 27:511-515. [PMID: 35416620 DOI: 10.1007/s11030-022-10418-4] [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: 02/02/2022] [Accepted: 03/08/2022] [Indexed: 02/08/2023]
Abstract
A new Lewis acid promoted domino isocyanide insertion/5-exo-dig cyclization of readily available Strecker 3-component adducts to 4-substituted 5-aminoimidazole derivatives is herein reported. Despite their potential as relevant heterocyclic scaffolds in medicinal chemistry programs, this class of compounds is still underrepresented, with current synthetic strategies poorly efficient in terms of timing and yields. To this end, we show how the exploitation of unconventional reactivities of isocyanides, promoted by ytterbium-triflate, could represent a key resource to enable a fast and easy access to such an unexplored area of the chemical space.
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12
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Tripathi S, Kumar M, Ambule MD, Saxena A, Kant R, Shukla SK, Srivastava AK. Stereodivergent Synthesis of ( Z)-/( E)-β-Sulfonylacrylamides via Tandem Difunctionalization of Alkynes with Sulfinates and Isocyanides. Org Lett 2022; 24:7632-7636. [PMID: 36222482 DOI: 10.1021/acs.orglett.2c03092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Stereoselective difunctionalizations of the terminal and internal alkynes with various sulfinates and isocyanides have been achieved to prepare (Z)-/(E)-β-sulfonylacrylamides. The (Z)-β-sulfonylacrylamides were generated via a one-pot process that involves the reaction of terminal alkynes with sulfinates and isocyanides in the presence of iodine in sequential manner. The (E)-β-sulfonylacrylamides were prepared in a two-step synthesis via palladium(II)-catalyzed addition of isocyanide to (E)-β-iodovinylsulfones synthesized from alkynes.
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Affiliation(s)
- Shashank Tripathi
- Medicinal and Process Chemistry Division, CSIR-CDRI, Lucknow 226031, India.,AcSIR, Ghaziabad 201002, India
| | - Monty Kumar
- Medicinal and Process Chemistry Division, CSIR-CDRI, Lucknow 226031, India.,AcSIR, Ghaziabad 201002, India
| | - Mayur D Ambule
- Medicinal and Process Chemistry Division, CSIR-CDRI, Lucknow 226031, India.,AcSIR, Ghaziabad 201002, India
| | - Ankit Saxena
- AcSIR, Ghaziabad 201002, India.,SAIF, CSIR-CDRI, Lucknow 226031, India
| | - Ruchir Kant
- Biochemistry & Structural Biology Division, CSIR-CDRI, Lucknow 226031, India
| | - Sanjeev K Shukla
- AcSIR, Ghaziabad 201002, India.,SAIF, CSIR-CDRI, Lucknow 226031, India
| | - Ajay Kumar Srivastava
- Medicinal and Process Chemistry Division, CSIR-CDRI, Lucknow 226031, India.,AcSIR, Ghaziabad 201002, India
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13
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Wei P, Zhu Y, Zhang J, Ying J, Wu XF. Cobalt-catalyzed direct functionalization of indoles with isocyanides. J Catal 2022. [DOI: 10.1016/j.jcat.2022.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Shirsath SR, More DA, Muthukrishnan M. Metal‐Free Aminocarbonylation of p‐Quinone Methides with Isocyanides: Synthesis of Sterically Hindered α‐Arylated Acetamides. Chem Asian J 2022; 17:e202200642. [DOI: 10.1002/asia.202200642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/18/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Sachin R Shirsath
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Division of Organic Chemistry INDIA
| | - Devidas A More
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Division of Organic Chemistry INDIA
| | - M Muthukrishnan
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Organic Chemistry Dr. HomiBhabha Road 411008 Pune INDIA
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15
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022; 61:e202208203. [DOI: 10.1002/anie.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Meng Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ruixue Zhang
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Qiushan Gao
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
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16
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Meng Li
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ruixue Zhang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Qiushan Gao
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Huanfeng Jiang
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ming Lei
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Wanqing Wu
- South China University of Technology School of Chemistry & Chemical Engineering No. 381, Wushan Road, Tianhe Strict, 510640 Guangzhou CHINA
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17
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Roose TR, Verdoorn DS, Mampuys P, Ruijter E, Maes BUW, Orru RVA. Transition metal-catalysed carbene- and nitrene transfer to carbon monoxide and isocyanides. Chem Soc Rev 2022; 51:5842-5877. [PMID: 35748338 PMCID: PMC9580617 DOI: 10.1039/d1cs00305d] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Indexed: 11/21/2022]
Abstract
Transition metal-catalysed carbene- and nitrene transfer to the C1-building blocks carbon monoxide and isocyanides provides heteroallenes (i.e. ketenes, isocyanates, ketenimines and carbodiimides). These are versatile and reactive compounds allowing in situ transformation towards numerous functional groups and organic compounds, including heterocycles. Both one-pot and tandem processes have been developed providing valuable synthetic methods for the organic chemistry toolbox. This review discusses all known transition metal-catalysed carbene- and nitrene transfer reactions towards carbon monoxide and isocyanides and in situ transformation of the heteroallenes hereby obtained, with a special focus on the general mechanistic considerations.
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Affiliation(s)
- T R Roose
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute for Molecules, Medicines & Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - D S Verdoorn
- Organic Chemistry, Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands.
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
| | - P Mampuys
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
| | - E Ruijter
- Department of Chemistry and Pharmaceutical Sciences and Amsterdam Institute for Molecules, Medicines & Systems (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
| | - B U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
| | - R V A Orru
- Organic Chemistry, Aachen-Maastricht Institute for Biobased Materials (AMIBM), Maastricht University, Urmonderbaan 22, 6167RD Geleen, The Netherlands.
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18
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Wang J, Ren P, Gu G, Jiang Z, Xiang B, Tang S, Jia AQ. Synthesis of Azepinoindoles via Pd-Catalyzed C(sp 2)-H Imidoylative Cyclization Reactions. J Org Chem 2022; 87:9663-9674. [PMID: 35696658 DOI: 10.1021/acs.joc.2c00717] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient and convenient method for the construction of diverse free (N-H)-benzazepinoindoles by Pd-catalyzed C(sp2)-H imidoylative cyclization of 3-(2-isocyanobenzyl)-1H-indoles was developed. The reaction shows a wide substrate scope and can be scaled up, providing a practical route to valuable bioactive azepinoindoles.
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Affiliation(s)
- Jiang Wang
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
| | - Pinzhuo Ren
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
| | - Gongping Gu
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
| | - Zongyou Jiang
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
| | - Bolin Xiang
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
| | - Shi Tang
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China.,Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, China
| | - Ai-Qun Jia
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, One Health Institute, Hainan University, Haikou 570228, China
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19
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Escudero J, Mampuys P, Mensch C, Bheeter CB, Vroemans R, Orru RV, Harvey J, Maes BU. Synthesis of Heterocycles via Aerobic Ni-Catalyzed Imidoylation of Aromatic 1,2-Bis-nucleophiles with Isocyanides. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01516] [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]
Affiliation(s)
- Julien Escudero
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Pieter Mampuys
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Carl Mensch
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Charles B. Bheeter
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Robby Vroemans
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
| | - Romano V.A. Orru
- Organic Chemistry, Aachen-Maastricht Institute for Biobased Materials (AMIBM), Brightlands Chemelot Campus, Maastricht University, Center Court, Urmonderbaan 22, Geleen 6167 RD, The Netherlands
| | - Jeremy Harvey
- Theoretical and Computational Chemistry, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, Leuven B3001, Belgium
| | - Bert U.W. Maes
- Division of Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020, Belgium
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20
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Stahlberger M, Steinlein O, Adam CR, Rotter M, Hohmann J, Nieger M, Köberle B, Bräse S. Fluorescent annulated imidazo[4,5- c]isoquinolines via a GBB-3CR/imidoylation sequence - DNA-interactions in pUC-19 gel electrophoresis mobility shift assay. Org Biomol Chem 2022; 20:3598-3604. [PMID: 35420107 DOI: 10.1039/d2ob00372d] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the development of a sequential synthesis route towards annulated imidazo[4,5-c]isoquinolines comprising a GBB-3CR, followed by an intramolecular imidoylative cyclisation. X-Ray crystallography revealed a flat 3D structure of the obtained polyheterocycles. Thus, we evaluated their interactions with double-stranded DNA by establishing a pUC-19 plasmid-based gel electrophoresis mobility shift assay, revealing a stabilising effect on ds-DNA against strand-break inducing conditions.
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Affiliation(s)
- M Stahlberger
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - O Steinlein
- Institute of Applied Biosciences, Department of Food Chemistry and Toxicology, Karlsruhe Institute of Technology (KIT), Adenauerring 20, 76131 Karlsruhe, Germany
| | - C R Adam
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - M Rotter
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - J Hohmann
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany.
| | - M Nieger
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A. I. Virtasen aukio 1), 00014, Finland
| | - B Köberle
- Institute of Applied Biosciences, Department of Food Chemistry and Toxicology, Karlsruhe Institute of Technology (KIT), Adenauerring 20, 76131 Karlsruhe, Germany
| | - S Bräse
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany. .,Institute of Biological and Chemical Systems - IBCS-FMS, Karlsruhe Institute of Technology (KIT), Herman-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
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21
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Ren S, Huang K, Liu JB, Zhang L, Hou M, Qiu G. Palladium-catalyzed cyclization of 1-alkynyl-8-iodonaphthalene and double isocyanides for the synthesis of acenaphtho[1,2-b]pyrroles. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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22
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Ren ZL, Qiu JY, Yuan LL, Yuan YF, Cai S, Li J, Kong C, He P, Wang L. Divergent Conversion of Double Isocyanides with Alkenyl Bromide to Polysubstituted Pyrroles and 4-Imino-4,5-dihydropyrrolo[3,4- b]pyrrol-6(1 H)-one Derivatives by Pd-Catalyzed Tandem Cyclization Reactions. Org Lett 2022; 24:859-863. [PMID: 35019658 DOI: 10.1021/acs.orglett.1c04146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Herein a novel and concise approach to pyrrole skeletons via Pd-catalyzed tandem cyclization reactions is investigated. The substrates for the transformation could be readily prepared by phosphoric acid-catalyzed Ugi reactions with available starting materials. In this strategy, two isocyanides participate in sequential isocyanide insertion reactions, and the chemoselectivity of the products is regulated by the steric hindrance of the isocyanide. A plausible mechanism for the formation of the corresponding adducts is proposed.
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Affiliation(s)
- Zhi-Lin Ren
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Ji-Ying Qiu
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Ling-Ling Yuan
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Yue-Fei Yuan
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Shuang Cai
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Jun Li
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Chi Kong
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Ping He
- College of Chemical Engineering, Hubei University of Arts and Science, Xiangyang, Hubei 441053, P. R. China
| | - Long Wang
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang, Hubei 443002, P. R. China
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23
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Chen D, Li J, Wang X, Shan Y, Huang K, Yan X, Qiu G. Catalytic Metal-Enabled Romance of Isocyanides for Use as “C1N1” Synthons in Cyclization: Beyond Radical Chemistry. Org Chem Front 2022. [DOI: 10.1039/d2qo00753c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclizative reactions have attracted considerable attentions in organic synthesis with regard to the high atom economy and synthetic efficiency towards cyclic architectures. Especially, isocyanide-based cyclizations have proven to be a...
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24
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Belen’kii LI, Gazieva GA, Evdokimenkova YB, Soboleva NO. The literature of heterocyclic chemistry, Part XX, 2020. ADVANCES IN HETEROCYCLIC CHEMISTRY 2022. [DOI: 10.1016/bs.aihch.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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25
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Russo C, Amato J, Tron GC, Giustiniano M. The Dark Side of Isocyanides: Visible-Light Photocatalytic Activity in the Oxidative Functionalization of C(sp 3)-H Bonds. J Org Chem 2021; 86:18117-18127. [PMID: 34851118 PMCID: PMC8689654 DOI: 10.1021/acs.joc.1c02378] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The possibility to harness aromatic isocyanides as visible-light photocatalysts in the α-amino C(sp3)-H functionalization is herein presented. Actually, the three-component cross-dehydrogenative coupling of aromatic tertiary amines with isocyanides and water leads to amide products under very mild conditions in high yields and with a good substrate scope. While the reaction with aromatic isocyanides proceeds upon direct photoexcitation, aliphatic isocyanides are able to form a photoactive electron-donor-acceptor complex with aromatic amines. Moreover, the use of a catalytic loading of an aromatic isocyanide promotes the oxidative coupling of N-phenyl-1,2,3,4-tetrahydroisoquinoline with an array of different (pro)nucleophiles in good to excellent yields, thus providing the proof-of-concept for the development of a new highly tunable class of organic visible-light photocatalysts.
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Affiliation(s)
- Camilla Russo
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | - Jussara Amato
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | - Gian Cesare Tron
- Department of Drug Science, University of Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy
| | - Mariateresa Giustiniano
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
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26
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A Facile Synthesis of Indole Derivatives by a Palladium‐Catalyzed Process Initiated from Ugi Adducts and their Antifungal Activities. ChemistrySelect 2021. [DOI: 10.1002/slct.202104070] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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27
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Tang S, Ding S, Li D, Li L, Zhao H, Chai M, Wang J. Palladium-catalysed imidoylative spirocyclization of 3-(2-isocyanoethyl)indoles. Chem Commun (Camb) 2021; 57:10576-10579. [PMID: 34558575 DOI: 10.1039/d1cc03240b] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A palladium-catalysed construction of spiroindolines through dearomative spirocyclization of 3-(2-isocyanoethyl)indoles has been developed. 2'-Aryl-, vinyl-, and alkyl-substituted spiroindolines could be accessed under mild conditions with excellent functional group tolerance. C1-tethered oxindole- and indole-spiroindoline bisheterocycles were generated in high yields via alkene/allene insertion and an imidoylative spirocyclization cascade. Additionally, a tandem dearomatization of two different indoles was realized with N-(2-bromobenzoyl)indoles as the electrophilic coupling partner of 3-(2-isocyanoethyl)indoles, affording polyindoline - spiroindoline bisheterocyclic scaffolds conveniently. Under the catalysis of Pd(OAc)2 and a spinol-derived phosphoramidite ligand, chiral spiroindolines were successfully accessed with up to 95% yield and 85% ee.
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Affiliation(s)
- Shi Tang
- China Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Hainan University, Haikou 570228, P. R. China
| | - Shumin Ding
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Dan Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Lianjie Li
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Haixia Zhao
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Minxue Chai
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
| | - Jian Wang
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241002, P. R. China.
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28
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Liu M, Wang X, Guo Z, Li H, Huang W, Xu H, Dai HX. Pd-Catalyzed Asymmetric Acyl-Carbamoylation of an Alkene to Construct an α-Quaternary Chiral Cycloketone. Org Lett 2021; 23:6299-6304. [PMID: 34350756 DOI: 10.1021/acs.orglett.1c02093] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we report the palladium-catalyzed asymmetric acyl-carbamoylation of an alkene by employing thioesters as the acyl electrophiles and t-BuNC as the carbamoyl reagent, affording an α-quaternary chiral cycloketone in synthetically useful yields with excellent enantioselectivity. The reaction proceeded via asymmetric 1,2-migratory insertions of acyl-Pd into alkenes and subsequent migratory insertion of isocyanides into C(sp3)-PdII. The product could be diversified to some valuable skeletons with retention of enantiopurity, demonstrating the synthetic utility of this protocol.
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Affiliation(s)
- Min Liu
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xing Wang
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ziqiong Guo
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China
| | - Hanyuan Li
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China
| | - Wei Huang
- School of Pharmacy, Nanchang University, Nanchang 330006, China
| | - Hui Xu
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hui-Xiong Dai
- Chinese Academy of Sciences Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Shanghai 201203, China.,University of Chinese Academy of Sciences, Beijing 100049, China
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29
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Chen S, Oliva M, Van Meervelt L, Van der Eycken EV, Sharma UK. Palladium‐Catalyzed Domino Synthesis of 2,3‐Difunctionalized Indoles
via
Migratory Insertion of Isocyanides in Batch and Continuous Flow. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100339] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Su Chen
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC) Department of Chemistry University of Leuven (KU Leuven) Celestijnenlaan 200F B-3001 Leuven Belgium
| | - Monica Oliva
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC) Department of Chemistry University of Leuven (KU Leuven) Celestijnenlaan 200F B-3001 Leuven Belgium
| | - Luc Van Meervelt
- Biomolecular Architecture Department of Chemistry KU Leuven Celestijnenlaan 200F B-3001 Leuven Belgium
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC) Department of Chemistry University of Leuven (KU Leuven) Celestijnenlaan 200F B-3001 Leuven Belgium
- Peoples' Friendship University of Russia (RUDN University) Miklukho-Maklaya street 6 RU-117198 Moscow Russia
| | - Upendra K. Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC) Department of Chemistry University of Leuven (KU Leuven) Celestijnenlaan 200F B-3001 Leuven Belgium
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30
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Qu CH, Song GT, Huang JH, Huang R, Chen Y, Liu T, Tang DY, Xu ZG, Chen ZZ. Tandem isonitrile insertion/azacyclopropylidene-annulated cyclohexenone–tropone rearrangement of p-QMs and TosMIC: de novo synthesis of pyrrolotropones with anti-cancer activity. Org Chem Front 2021. [DOI: 10.1039/d1qo01256h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
TosMIC causes ring expansion of p-QMs: highly substituted pyrrolotropones are rapidly assembled in a domino process mediated by DBU. The utility of the method was highlighted by follow-up transformation and biological activity identification.
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Affiliation(s)
- Chuan-Hua Qu
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Gui-Ting Song
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Jiu-Hong Huang
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Run Huang
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Yuan Chen
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Tong Liu
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Dian-Yong Tang
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Zhi-Gang Xu
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
| | - Zhong-Zhu Chen
- College of Pharmacy, National & Local Joint Engineering Research center of Targeted and Innovative Therapeutics, Chongqing Key Laboratory of Kinase Modulators as Innovative Medicine, Chongqing University of Arts and Sciences, Chongqing 402160, China
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