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Sankar DR, Neetha M, Anilkumar G. Gold-Catalyzed Lactone Synthesis: Advancements and Insights. CHEM REC 2024; 24:e202400071. [PMID: 39051735 DOI: 10.1002/tcr.202400071] [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: 04/16/2024] [Revised: 06/03/2024] [Indexed: 07/27/2024]
Abstract
Lactones represent a class of fundamental structural motifs ubiquitous in nature, holding significance across diverse scientific domains such as pharmaceuticals, natural products, drug discovery, and industry. Despite their simplicity, the synthesis of lactones has garnered considerable interest due to their pivotal roles. Gold, traditionally regarded as a noble metal, has emerged as an efficient catalyst, challenging conventional perceptions. The utilization of gold in lactone synthesis has captivated researchers, leading to the development of numerous effective methodologies. Motivated by this, we present a comprehensive compilation of reports on the gold-catalyzed synthesis of lactones, encompassing literature till date.
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Affiliation(s)
- D Ravi Sankar
- Department of Chemistry, Sree Narayana College, Sreenivasapuram, Varkala, Kerala, INDIA, 695145
| | - Mohan Neetha
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarsini Hills P. O., Kottayam, Kerala, INDIA, 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarsini Hills P. O., Kottayam, Kerala, INDIA, 686560
- Institute for Integrated programs and Research in Basic Sciences (IIRBS), Mahatma Gandhi University, Priyadarsini Hills P. O., Kottayam, Kerala, INDIA, 686560
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2
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Chen Y, Zhang R, Chen Z, Liao J, Song X, Liang X, Wang Y, Dong J, Singh CV, Wang D, Li Y, Toste FD, Zhao J. Heterogeneous Rhodium Single-Atom-Site Catalyst Enables Chemoselective Carbene N-H Bond Insertion. J Am Chem Soc 2024; 146:10847-10856. [PMID: 38583085 PMCID: PMC11027138 DOI: 10.1021/jacs.4c01408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/08/2024] [Accepted: 03/12/2024] [Indexed: 04/08/2024]
Abstract
Transition-metal-catalyzed carbene insertion reactions of a nitrogen-hydrogen bond have emerged as robust and versatile methods for the construction of C-N bonds. While significant progress of homogeneous catalytic metal carbene N-H insertions has been achieved, the control of chemoselectivity in the field remains challenging due to the high electrophilicity of the metal carbene intermediates. Herein, we present an efficient strategy for the synthesis of a rhodium single-atom-site catalyst (Rh-SA) that incorporates a Rh atom surrounded by three nitrogen atoms and one phosphorus atom doped in a carbon support. This Rh-SA catalyst, with a catalyst loading of only 0.15 mol %, exhibited exceptional catalytic performance for heterogeneous carbene insertion with various anilines and heteroaryl amines in combination with diazo esters. Importantly, the heterogeneous catalyst selectively transformed aniline derivatives bearing multiple nucleophilic moieties into single N-H insertion isomers, while the popular homogeneous Rh2(OAc)4 catalyst produced a mixture of overfunctionalized side products. Additionally, similar selectivities for N-H bond insertion with a set of stereoelectronically diverse diazo esters were obtained, highlighting the general applicability of this heterogeneous catalysis approach. On the basis of density functional theory calculations, the observed selectivity of the Rh-SA catalyst was attributed to the insertion barriers and the accelerated proton transfer assisted by the phosphorus atom in the support. Overall, this investigation of heterogeneous metal-catalyzed carbene insertion underscores the potential of single-atom-site catalysis as a powerful and complementary tool in organic synthesis.
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Affiliation(s)
- Yuanjun Chen
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Ruixue Zhang
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
| | - Zhiwen Chen
- Department
of Materials Science and Engineering, University
of Toronto, Toronto, Ontario M5S3E4, Canada
| | - Jiangwen Liao
- Beijing
Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xuedong Song
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
| | - Xiao Liang
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Yu Wang
- Shanghai
Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced
Research Institute, Chinese Academy of Sciences, Shanghai, 201204, People’s Republic of China
| | - Juncai Dong
- Beijing
Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Chandra Veer Singh
- Department
of Materials Science and Engineering, University
of Toronto, Toronto, Ontario M5S3E4, Canada
| | - Dingsheng Wang
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Yadong Li
- Department
of Chemistry, Tsinghua University, Beijing, 100084, People’s Republic of China
| | - F. Dean Toste
- Chemical
Science Division, Lawrence Berkeley National
Laboratory, Berkeley, California 94720, United States
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jie Zhao
- Key
Laboratory for Advanced Materials and Joint International Research
Laboratory of Precision Chemistry and Molecular Engineering, Feringa
Nobel Prize Scientist Joint Research Center, Frontiers Science Center
for Materiobiology and Dynamic Chemistry, School of Chemistry and
Molecular Engineering, East China University
of Science and Technology, Shanghai, 200237, People’s Republic of China
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3
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Rosales-Amezcua SC, Ballinas-Indili R, López-Reyes ME, Guevara-Vela JM, Rocha-Rinza T, Toscano RA, Álvarez-Toledano C. Synthesis of Functionalized Tetrasubstituted Allenes by the Addition of Bis(trimethylsilyl)ketene Acetals to Ynones Catalyzed by Gold(I). J Org Chem 2024; 89:3092-3101. [PMID: 38359145 DOI: 10.1021/acs.joc.3c02550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
We have developed a straightforward and rapid methodology for the synthesis of tetrasubstituted allenes bearing carboxylic acids in the 1,3-position through the gold(I)-catalyzed nucleophilic addition of bis(trimethylsilyl)ketene acetals to ynones. The reaction was evaluated with several substrates, and 21 allenes were obtained in moderate to good yields. Using DFT calculations, we studied the mechanism of the reaction, which suggested a nucleophilic 1,4-addition pathway. The potential of allenes to act as a source of highly functionalized lactones was also explored.
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Affiliation(s)
- Saulo C Rosales-Amezcua
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Cd. de México 04510, Mexico
| | - Ricardo Ballinas-Indili
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Cd. de México 04510, Mexico
| | - Morelia E López-Reyes
- Departamento de Química, Universidad de Guadalajara, Blvd. Marcelino García Barragán 1421, Guadalajara 44430, Mexico
| | - José Manuel Guevara-Vela
- Departamento de Química Física Aplicada, Universidad Autónoma de Madrid, Francisco Tomás y Valiente, 7, Madrid 28049, Spain
| | - Tomás Rocha-Rinza
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Cd. de México 04510, Mexico
| | - Rúben A Toscano
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Cd. de México 04510, Mexico
| | - Cecilio Álvarez-Toledano
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior s/n, Ciudad Universitaria, Cd. de México 04510, Mexico
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4
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Wei L, Xiao X, Cai M. Recyclable gold(I)-catalyzed heterocyclization of ynamides with benzyl or indolyl azides towards 2-aminoindoles or 3-amino-β-carbolines. Org Biomol Chem 2023; 21:8757-8766. [PMID: 37877426 DOI: 10.1039/d3ob01555f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
A highly efficient heterogeneous gold(I)-catalyzed heterocyclization of ynamides with benzyl or indolyl azides has been achieved in 1,2-dichloroethane under mild conditions via a heterogenized α-imino gold carbene intermediate using 5 mol% of SBA-15-anchored strongly hindered NHC-gold(I) complex [IPr-SBA-15-AuNTf2] as the catalyst, delivering a wide range of valuable 2-aminoindoles or 3-amino-β-carbolines in mostly good to excellent yields with high regioselectivity. Furthermore, the new heterogenized NHC-gold(I) complex displays the same catalytic activity as IPrAuNTf2 and is facile to recover by centrifugation of the reaction mixture and can be reused at least seven times without any appreciable drop in its catalytic activity.
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Affiliation(s)
- Li Wei
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
| | - Xiaoqiang Xiao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China.
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5
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Murayama H, Huang QA, Yamamoto E, Tokunaga M, Ishida T, Okumura M, Honma T, Fujitani T, Isogai A. Supported Noble Metal Catalysts and Adsorbents with Soft Lewis Acid Functions. CHEM REC 2023; 23:e202300148. [PMID: 37417711 DOI: 10.1002/tcr.202300148] [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: 04/27/2023] [Revised: 06/21/2023] [Indexed: 07/08/2023]
Abstract
Heterogeneous noble metal catalysts exhibit various functions. Although their redox functions have been extensively studied, we focused on their soft Lewis acid functions. Supported Au, Pt, and Pd catalysts electrophilically attack the π-electrons of soft bases such as alkynes, alkenes, and aromatic compounds to perform addition and substitution reactions. Hydroamination, intramolecular cyclization of alkynyl carboxylic acids, isomerization of allylic esters, vinyl exchange reactions, Wacker oxidation, and oxidative homocoupling of aromatics are introduced based on a discussion of the active species and reaction mechanisms. Furthermore, the adsorption of sulfur compounds, which are soft bases, onto the supported AuNPs is discussed. The adsorption and removal of 1,3-dimethyltrisulfane (DMTS), which is the compound responsible for the stale odor of "hine-ka" in alcoholic beverages, particularly Japanese sake, is described.
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Affiliation(s)
- Haruno Murayama
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Qi-An Huang
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Eiji Yamamoto
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Makoto Tokunaga
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Tamao Ishida
- Department of Applied Chemistry, Graduate School of Urban Environmental Sciences, Tokyo Metropolitan University, 1-1 Minami-osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Mitsutaka Okumura
- Department of Chemistry, Osaka University, Toyonaka, Osaka, 560-0043, Japan
| | - Tetsuo Honma
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo, Hyogo, 679-5198, Japan
| | - Tadahiro Fujitani
- National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan
| | - Atsuko Isogai
- National Research Institute of Brewing (NRIB), Higashihiroshima, Hiroshima, 739-0046, Japan
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6
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Deiana L, Badali E, Rafi AA, Tai CW, Bäckvall JE, Córdova A. Cellulose-Supported Heterogeneous Gold-Catalyzed Cycloisomerization Reactions of Alkynoic Acids and Allenynamides. ACS Catal 2023; 13:10418-10424. [PMID: 37560186 PMCID: PMC10407851 DOI: 10.1021/acscatal.3c02722] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/19/2023] [Indexed: 08/11/2023]
Abstract
Herein, we describe efficient nanogold-catalyzed cycloisomerization reactions of alkynoic acids and allenynamides to enol lactones and dihydropyrroles, respectively (the latter via an Alder-ene reaction). The gold nanoparticles were immobilized on thiol-functionalized microcrystalline cellulose and characterized by electron microscopy (HAADF-STEM) and by XPS. The thiol-stabilized gold nanoparticles (Au0) were obtained in the size range 1.5-6 nm at the cellulose surface. The robust and sustainable cellulose-supported gold nanocatalyst can be recycled for multiple cycles without losing activity.
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Affiliation(s)
- Luca Deiana
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-85179 Sundsvall, Sweden
| | - Elham Badali
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-85179 Sundsvall, Sweden
| | - Abdolrahim A. Rafi
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-85179 Sundsvall, Sweden
| | - Cheuk-Wai Tai
- Department
of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
| | - Jan-E Bäckvall
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-85179 Sundsvall, Sweden
- Department
of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm, Sweden
| | - Armando Córdova
- Department
of Natural Sciences, Mid Sweden University, Holmgatan 10, SE-85179 Sundsvall, Sweden
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7
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Hamedimehr S, Ojaghi Aghbash K, Noroozi Pesyan N. Zn Complex on Tryptophan-Functionalized MCM-41 as an Efficient and Promising Reusable Nanocatalyst in One-Pot Three-Component Synthesis of Amino Benzyl Quinolinols and Naphthols via a Betti Reaction. ACS OMEGA 2023; 8:8227-8236. [PMID: 36910969 PMCID: PMC9996610 DOI: 10.1021/acsomega.2c05723] [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: 09/14/2022] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
In this research, a Zn transition metallic complex on functionalized mesopore silica MCM-41 has been designed and utilized as an effective, recoverable, and thermally stable heterogeneous nanocatalyst in the formation of the C-C bond. Also, the synthesis of amino benzyl quinolinols and amino benzyl naphthol derivatives was performed by the three-component reaction of Betti from aromatic aldehydes, type II amines, and 8-hydroxyquinoline and 1-naphthol in the presence of the MCM-41-tryptophan-Zn nanocatalyst under reflux conditions. The short reaction times, high efficiency of the products, the easy separation of catalysts due to their heterogeneity, and their reusability are the advantages of this method. Finally, the nature of catalysts was studied by using some techniques such as the Fourier transform infrared spectrum, energy-dispersive spectroscopy, hot filtration test, transmission electron microscopy, scanning electron microscopy, X-ray diffraction, inductively coupled plasma optical emission spectrometry, and N2 adsorption-desorption (BET). The synthesized heterogeneous catalysts showed perfect catalytic activity and also good recyclability in the Betti reaction. They could be reused at least for five consecutive cycles without significant loss of their catalytic activities.
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8
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Xu Z, Zeng J, Cai M. An MCM-41-immobilized dichloro(pyridine-2-carboxylato)gold(III) complex: an efficient and recyclable catalyst for the annulation of anthranils and ynamides. Dalton Trans 2023; 52:806-817. [PMID: 36594393 DOI: 10.1039/d2dt03733e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new mesoporous MCM-41-immobilized dichloro(pyridine-2-carboxylato)gold(III) complex [MCM-41-PicAuCl2] was synthesized via an addition reaction of a dichloro(3-hydroxypyridine-2-carboxylato)gold(III) complex to triethoxy(3-isocyanatopropyl)silane, followed by immobilization on MCM-41 and was characterized by different physico-chemical techniques. In the presence of 5 mol% of MCM-41-PicAuCl2, the annulation reaction between anthranils and ynamides proceeded smoothly under mild conditions to afford diverse 6- or 5-formylindoles with high atom economy and good to excellent yields. This new heterogenized gold(III) complex can be easily recovered through a simple filtration process and recycled more than seven times without any apparent loss of its catalytic efficiency.
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Affiliation(s)
- Zhaohui Xu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Jiajun Zeng
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
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9
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Shaik S, Reddy Sirigireddy RM, Godugu K, Vemula V, Kakarla RR, Balaraman E, Nallagondu CGR, Aminabhavi TM. SiO 2-supported HClO 4 catalyzed synthesis of (Z)-thiazolylhydrazonoindolin-2-ones and their electrochemical properties. CHEMOSPHERE 2022; 309:136667. [PMID: 36202369 DOI: 10.1016/j.chemosphere.2022.136667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 09/14/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
In this paper, an environmentally benign silica-supported perchloric acid (HClO4-SiO2) catalyzed green FCDR strategy has been developed for the synthesis of (Z)-THIs (6) with high stereospecificity via an intramolecular hydrogen bond (IHB) directed approach, involving the reaction of methyl ketones (1), N-bromosuccinimide (NBS) (2), isatins (4) and thiosemicarbazide (5) in ethanol at reflux temperature for 45-60 min in one-pot. The reaction proceeds through the construction of C-Br (α-bromination), C-S & C-N (heterocyclization), and CN (condensation) bonds in one pot. The absolute structure of the compound (Z)-3-(2-(4-(4-bromophenyl)thiazol-2-yl)hydrazono)indolin-2-one (6e) has been confirmed by single-crystal XRD analysis. Further, the role of IHB on Z-configuration of the synthesized (Z)-THIs is proved by single-crystal XRD and 1H NMR studies. Wide substrate scope, good functional group tolerance, scalability, improved safety since the method circumvents the use of highly lachrymatric α-bromoketones as starting materials, high product yields (up to 98%), short reaction times, reusable solid Brønsted acid catalyst (HClO4-SiO2), and products that do not require column chromatography purification are all attractive features of this FCDR strategy. Electrochemical properties of THIs (6) are examined by cyclic voltammetry. The HOMO and LUMO energy level of THIs, 6a, 6c, 6d, 6j, 6o-6v, 6y, and 6aa are comparable with the reported ambipolar materials, and the HOMO levels of other THIs, 6b, 6e-6i, 6n, 6w, 6x, 6z and 6 ab-6ae are similar with the most commonly used hole transporting materials (HTMs).
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Affiliation(s)
- Sultana Shaik
- Green and Sustainable Synthetic Organic Chemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, 516 005, Andhra Pradesh, India
| | - Rama Mohana Reddy Sirigireddy
- Green and Sustainable Synthetic Organic Chemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, 516 005, Andhra Pradesh, India
| | - Kumar Godugu
- Green and Sustainable Synthetic Organic Chemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, 516 005, Andhra Pradesh, India
| | - Venkatramu Vemula
- Department of Physics, Krishna University Dr. M. R. Appa Row College of PG Studies, Nuzvid, 521 201, Andhra Pradesh, India
| | - Raghava Reddy Kakarla
- School of Chemical and Biomolecular Engineering, The University of Sydney, NSW, 2006, Australia.
| | - Ekambaram Balaraman
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati, 517507, Andhra Pradesh, India
| | - Chinna Gangi Reddy Nallagondu
- Green and Sustainable Synthetic Organic Chemistry Laboratory, Department of Chemistry, Yogi Vemana University, Kadapa, 516 005, Andhra Pradesh, India.
| | - Tejraj M Aminabhavi
- School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India.
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10
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen G, Che C, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022; 61:e202201739. [DOI: 10.1002/anie.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Bijin Lin
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Tilong Yang
- Department of Chemistry The Hong Kong University of Science and Technology Clear Water Bay, Kowloon Hong Kong China
| | - Dequan Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Yang Zhou
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Liangliang Wu
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Jingfei Qiu
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
| | - Gen‐Qiang Chen
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- Academy for Advanced Interdisciplinary Studies Southern University of Science and Technology Shenzhen 518055 China
| | - Chi‐Ming Che
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
- State Key Laboratory of Synthetic Chemistry and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong China
| | - Xumu Zhang
- Department of Chemistry the Grubbs Institute Medi-X Pingshan Southern University of Science and Technology Shenzhen 518055 China
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11
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Liu S, Hu W, Hao W, Xia J, Cai M. Regio- and Diastereoselective Construction of Functionalized Benzo[ b]oxepines and Benzo[ b]azepines via Recyclable Gold(I)-Catalyzed Cyclizations. J Org Chem 2022; 87:7239-7252. [PMID: 35593503 DOI: 10.1021/acs.joc.2c00446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The heterogeneous gold-catalyzed cyclization of (o-alkynyl)phenoxy- or N-(o-alkynylphenyl)tolylsulfonamidoacrylates with alcohols has been developed by using an MCM-41-anchored diphenylphosphine-Au(I) complex [MCM-41-Ph2P-AuNTf2] as the catalyst under mild reaction conditions, yielding diverse functionalized benzo[b]oxepines or benzo[b]azepines with good to high yields and excellent diastereoselectivity. This heterogenized gold(I) catalyst exhibits a comparable activity to homogeneous Ph3PAuNTf2 and can be facilely recovered by a simple filtration of the reaction solution and reused more than seven times with almost a consistent catalytic efficiency.
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Affiliation(s)
- Siqi Liu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Wenli Hu
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Wenyan Hao
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Jianhui Xia
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Mingzhong Cai
- Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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12
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Malchau C, Fries DV, Mees Y, Jakobs MF, Sun Y, Becker S, Niedner-Schatteburg G, Thiel WR. Transition metal complexes of NHC ligands functionalized with the cationic (η5‐cyclopentadienyl)(η6‐phenyl)iron(II) motif. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Christian Malchau
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | - Daniela V. Fries
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | - Yannik Mees
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | - Marisa F. Jakobs
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | - Yu Sun
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | - Sabine Becker
- TU Kaiserslautern: Technische Universitat Kaiserslautern Fachbereich Chemie GERMANY
| | | | - Werner R. Thiel
- TU Kaiserslautern FB Chemie Erwin-Schrödinger-Str. 54 67663 Kaiserslautern GERMANY
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13
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Lin B, Yang T, Zhang D, Zhou Y, Wu L, Qiu J, Chen GQ, Che CM, Zhang X. Gold‐Catalyzed Desymmetric Lactonization of Alkynylmalonic Acids Enabled by Chiral Bifunctional P,N ligands. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bijin Lin
- Southern University of Science and Technology Department of Chemistry 518000 Shenzhen CHINA
| | - Tilong Yang
- Hong Kong University of Science and Technology School of Science Department of Chemistry Hongkong CHINA
| | - Dequan Zhang
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Yang Zhou
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Liangliang Wu
- Hong Kong University: University of Hong Kong Department of Chemistry CHINA
| | - Jingfei Qiu
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Gen-Qiang Chen
- Southern University of Science and Technology Department of Chemistry CHINA
| | - Chi-Ming Che
- The University of Hong Kong Department of Chemistry CHINA
| | - Xumu Zhang
- Southern University of Science and Technology Chemistry 1088 Xueyuan Avenue 518055 Shenzhen CHINA
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14
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Zaera F. Designing Sites in Heterogeneous Catalysis: Are We Reaching Selectivities Competitive With Those of Homogeneous Catalysts? Chem Rev 2022; 122:8594-8757. [PMID: 35240777 DOI: 10.1021/acs.chemrev.1c00905] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A critical review of different prominent nanotechnologies adapted to catalysis is provided, with focus on how they contribute to the improvement of selectivity in heterogeneous catalysis. Ways to modify catalytic sites range from the use of the reversible or irreversible adsorption of molecular modifiers to the immobilization or tethering of homogeneous catalysts and the development of well-defined catalytic sites on solid surfaces. The latter covers methods for the dispersion of single-atom sites within solid supports as well as the use of complex nanostructures, and it includes the post-modification of materials via processes such as silylation and atomic layer deposition. All these methodologies exhibit both advantages and limitations, but all offer new avenues for the design of catalysts for specific applications. Because of the high cost of most nanotechnologies and the fact that the resulting materials may exhibit limited thermal or chemical stability, they may be best aimed at improving the selective synthesis of high value-added chemicals, to be incorporated in organic synthesis schemes, but other applications are being explored as well to address problems in energy production, for instance, and to design greener chemical processes. The details of each of these approaches are discussed, and representative examples are provided. We conclude with some general remarks on the future of this field.
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Affiliation(s)
- Francisco Zaera
- Department of Chemistry and UCR Center for Catalysis, University of California, Riverside, California 92521, United States
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15
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Rezanejade Bardajee G, Hekmat S, Ghaedi A, Goudarzi F. A heterogeneous mesoporous catalyst based on anchored copper: Schiff base complex into SBA-15 for the synthesis of benzimidazoles from orthoesters. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2037001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Shohreh Hekmat
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
| | - Aseyeh Ghaedi
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
| | - Farideh Goudarzi
- Department of Chemistry, Payame Noor University (PNU), Tehran, Iran
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16
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Kennemur J, Maji R, Scharf MJ, List B. Catalytic Asymmetric Hydroalkoxylation of C-C Multiple Bonds. Chem Rev 2021; 121:14649-14681. [PMID: 34860509 PMCID: PMC8704240 DOI: 10.1021/acs.chemrev.1c00620] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Indexed: 01/30/2023]
Abstract
Asymmetric hydroalkoxylation of alkenes constitutes a redox-neutral and 100% atom-economical strategy toward enantioenriched oxygenated building blocks from readily available starting materials. Despite their great potential, catalytic enantioselective additions of alcohols across a C-C multiple bond are particularly underdeveloped, especially compared to other hydrofunctionalization methods such as hydroamination. However, driven by some recent innovations, e.g., asymmetric MHAT methods, asymmetric photocatalytic methods, and the development of extremely strong chiral Brønsted acids, there has been a gratifying surge of reports in this burgeoning field. The goal of this review is to survey the growing landscape of asymmetric hydroalkoxylation by highlighting exciting new advances, deconstructing mechanistic underpinnings, and drawing insight from related asymmetric hydroacyloxylation and hydration. A deep appreciation of the underlying principles informs an understanding of the various selectivity parameters and activation modes in the realm of asymmetric alkene hydrofunctionalization while simultaneously evoking the outstanding challenges to the field moving forward. Overall, we aim to lay a foundation for cross-fertilization among various catalytic fields and spur further innovation in asymmetric hydroalkoxylations of C-C multiple bonds.
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Affiliation(s)
| | | | - Manuel J. Scharf
- Max-Planck-Institut für
Kohlenforschung, Kaiser Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für
Kohlenforschung, Kaiser Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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17
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Hu W, Niu B, Xiao X, Cai M. Recyclable Gold Catalyst for the Stereoselective Thioallylation of Alkynes. J Org Chem 2021; 86:13598-13609. [PMID: 34549962 DOI: 10.1021/acs.joc.1c01641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The heterogeneous gold(I)-catalyzed stereoselective thioallylation of electron-deficient alkynes with allyl sulfides has been achieved by using an MCM-41-immobilized sterically demanding NHC-gold(I) complex [MCM-41-IPrAuNTf2] as the catalyst under mild conditions, delivering a wide variety of stereodefined tri- and tetrasubstituted functionalized vinyl sulfides in good to excellent yields. The new heterogeneous MCM-41-IPrAuNTf2 catalyst exhibits an activity comparable to a homogeneous IPrAuNTf2 complex and can be recovered via a simple filtration process and reused for at least seven consecutive cycles without any apparent loss of its catalytic activity and selectivity.
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Affiliation(s)
- Wenli Hu
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Bingbo Niu
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Xiaoqiang Xiao
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
| | - Mingzhong Cai
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, China
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18
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Motokura K, Ding S, Usui K, Kong Y. Enhanced Catalysis Based on the Surface Environment of the Silica-Supported Metal Complex. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03426] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Ken Motokura
- Department of Chemistry and Life Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Siming Ding
- Department of Chemistry and Life Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Kei Usui
- Department of Chemistry and Life Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Yuanyuan Kong
- Department of Chemistry and Life Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
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19
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Yang D, Fan R, Luo F, Chen Z, Gerson AR. Facile and green fabrication of efficient Au nanoparticles catalysts using plant extract via a mesoporous silica-assisted strategy. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126580] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Experimental and theoretical investigation of the cycloisomerization of N-propargylcarboxamide catalyzed by NHC-Au-X in green solvents. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120372] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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21
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Praveen C. Cycloisomerization of π-Coupled Heteroatom Nucleophiles by Gold Catalysis: En Route to Regiochemically Defined Heterocycles. CHEM REC 2021; 21:1697-1737. [PMID: 34061426 DOI: 10.1002/tcr.202100105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/08/2021] [Accepted: 05/11/2021] [Indexed: 11/06/2022]
Abstract
Since the dawn of millennium, catalytic gold chemistry is at the forefront to set off diverse organic reactions via unique activation of π-bonded molecules. Within this purview, cycloisomerization of heteroatom nucleophiles linked to a π-system is one of the well recognized chemistry for the construction of numerous heterocyclic cores. Though the rudimentary aspects of this transformation are reviewed by several groups in different timeline, a holistic view on regiochemistry of such reactions went largely overlooked. Hence, this account emphasizes the gold catalyzed regioselective cycloisomerization of structurally distinctive π-connected hetero-nucleophiles leading to different heterocycles documented in the last two decades. From an application perspective, this account also highlights those methodologies which find a role in the total synthesis of natural products. Wherever appropriate, mechanistic details and contributing factors for selectivity are also discussed.
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Affiliation(s)
- Chandrasekar Praveen
- Electrochemical Power Sources Division, Central Electrochemical Research Institute (CSIR Laboratory), Alagappapuram, Karaikudi, 630003, Sivagangai District, Tamil Nadu, India
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22
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Luo J, Dong Y, Petit C, Liang C. Development of gold catalysts supported by unreducible materials: Design and promotions. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63743-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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23
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Hu W, Huang B, Niu B, Cai M. Recyclable heterogeneous gold(I)-catalyzed oxidation of internal acylalkynes: Practical access to vicinal tricarbonyls. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152953] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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24
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Cao Z, Scalabre A, Nlate S, Buffière S, Oda R, Pouget E, Bibal B. Silica-Supported Phosphine-Gold Complexes as an Efficient Catalytic System for a Dearomative Spirocyclization. Chemistry 2021; 27:427-433. [PMID: 33064331 DOI: 10.1002/chem.202004251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 10/08/2020] [Indexed: 11/07/2022]
Abstract
The combination of metal catalyst and inorganic silica frameworks provides a greener approach to recyclable catalysis. In this study, three phosphine-gold chloride complexes have been successfully covalently grafted onto chiral silica nanohelices. The resulting 3D ensembles showed chiroptical properties that allowed the monitoring of the supported ligands. The heterogeneous gold chloride catalysts in cooperation with silver triflate exhibited high reactivity in various reactions, especially in the spirocyclization of aryl alkynoate esters, for which a catalytic loading of 0.05 mol % could be employed. The heterogeneous catalysts could be easily recovered and recycled seven or eight times without any loss of efficiency. By adding more silver triflate, 25 cycles with full conversion were achieved owing to a complex catalytic system based on silica and metallic species.
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Affiliation(s)
- Zhen Cao
- Institut des Sciences Moléculaires, UMR CNRS 5255, Université de Bordeaux, 351 cours de la Libération, 33405, Talence, France
| | - Antoine Scalabre
- Chimie et Biologie des Membranes et des Nanoobjets, UMR CNRS 5248, Université de Bordeaux, 2 rue Roger Escarpit, 33607, Pessac, France
| | - Sylvain Nlate
- Chimie et Biologie des Membranes et des Nanoobjets, UMR CNRS 5248, Université de Bordeaux, 2 rue Roger Escarpit, 33607, Pessac, France
| | - Sonia Buffière
- Institut de Chimie de la Matière Condensée de Bordeaux, UMR CNRS 5026, Université de Bordeaux, 87 avenue du docteur Schweitzer, 33608, Pessac, France
| | - Reiko Oda
- Chimie et Biologie des Membranes et des Nanoobjets, UMR CNRS 5248, Université de Bordeaux, 2 rue Roger Escarpit, 33607, Pessac, France
| | - Emilie Pouget
- Chimie et Biologie des Membranes et des Nanoobjets, UMR CNRS 5248, Université de Bordeaux, 2 rue Roger Escarpit, 33607, Pessac, France
| | - Brigitte Bibal
- Institut des Sciences Moléculaires, UMR CNRS 5255, Université de Bordeaux, 351 cours de la Libération, 33405, Talence, France
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25
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Du Y, Huang B, Zeng J, Cai M. Recyclable heterogeneous gold(I)-catalyzed oxidative ring expansion of alkynyl quinols: a practical access to tropone and its analogues. Dalton Trans 2021; 50:6488-6499. [PMID: 33903864 DOI: 10.1039/d1dt00988e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The heterogeneous gold(i)-catalyzed oxidative ring expansion of alkynyl quinols has been achieved by using a benzyldiphenylphosphine-modified MCM-41-immobilized gold(i) complex [MCM-41-BnPh2P-AuNTf2] as the catalyst and 8-methylquinoline N-oxide as the oxidant under mild reaction conditions, yielding a variety of functionalized tropone derivatives in good to excellent yields. Extension of this methodology allows for facile construction of other seven- or six-membered ring systems including dibenzotropones, dibenzooxepines, phenanthrenes, and quinolin-2(1H)-ones. This new heterogeneous gold(i) complex can be readily recovered through a simple filtration process and recycled at least eight times without any apparent decrease in catalytic efficiency.
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Affiliation(s)
- Yingying Du
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Bin Huang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Jiajun Zeng
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
| | - Mingzhong Cai
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.
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26
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Miyamura H, Bergman RG, Raymond KN, Toste FD. Heterogeneous Supramolecular Catalysis through Immobilization of Anionic M4L6 Assemblies on Cationic Polymers. J Am Chem Soc 2020; 142:19327-19338. [DOI: 10.1021/jacs.0c09556] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hiroyuki Miyamura
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California—Berkeley, Berkeley, California 94720, United States
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Robert G. Bergman
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California—Berkeley, Berkeley, California 94720, United States
| | - Kenneth N. Raymond
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California—Berkeley, Berkeley, California 94720, United States
| | - F. Dean Toste
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California—Berkeley, Berkeley, California 94720, United States
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27
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Gold-Catalyzed Addition of Carboxylic Acids to Alkynes and Allenes: Valuable Tools for Organic Synthesis. Catalysts 2020. [DOI: 10.3390/catal10101206] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In this contribution, the application of gold-based catalysts in the hydrofunctionalization reactions of alkynes and allenes with carboxylic acids is comprehensively reviewed. Both intra- and intermolecular processes, leading respectively to lactones and linear unsaturated esters, are covered. In addition, cascade transformations involving the initial cycloisomerization of an alkynoic acid are also discussed.
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28
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Luna A, Herrera F, Higuera S, Murillo A, Fernández I, Almendros P. AgNO3·SiO2: Convenient AgNPs source for the sustainable hydrofunctionalization of allenyl-indoles using heterogeneous catalysis. J Catal 2020. [DOI: 10.1016/j.jcat.2020.06.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Yan D, Wang N, Xue T, Wu H, Zhang J, Wu P. SBA‐15 Supported Chiral Phosphine‐Gold(I) Complex: Highly Efficient and Recyclable Catalyst for Asymmetric Cycloaddition Reactions. ChemCatChem 2020. [DOI: 10.1002/cctc.202000514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Dong Yan
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
| | - Nannan Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
| | - Teng Xue
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
| | - Haihong Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
- Department of Chemistry Fudan University 2005 Songhu Road Shanghai 200438 P.R. China
| | - Peng Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 North Zhongshan Road Shanghai 200062 P.R. China
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30
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Alyabyev SB, Beletskaya IP. Gold as a catalyst. Part III. Addition to double bonds. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4901] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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31
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Integrating the Fields of Catalysis: Active Site Engineering in Metal Cluster, Metal Organic Framework and Metal Single Site. Top Catal 2020. [DOI: 10.1007/s11244-020-01248-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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32
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Oe K, Goto M, Maejima S, Yamaguchi E, Itoh A. Visible Light and Molecular Iodine‐Mediated Diastereoselective Intermolecular Lactonization of Styrenes with Carbonyls. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Karin Oe
- Laboratory of Pharmaceuticals Synthetic ChemistryGifu Pharmaceutical University 1-25-4, Daigaku-nishi Gifu 501-1196 Japan
| | - Mayuki Goto
- Laboratory of Pharmaceuticals Synthetic ChemistryGifu Pharmaceutical University 1-25-4, Daigaku-nishi Gifu 501-1196 Japan
| | - Saki Maejima
- Laboratory of Pharmaceuticals Synthetic ChemistryGifu Pharmaceutical University 1-25-4, Daigaku-nishi Gifu 501-1196 Japan
| | - Eiji Yamaguchi
- Laboratory of Pharmaceuticals Synthetic ChemistryGifu Pharmaceutical University 1-25-4, Daigaku-nishi Gifu 501-1196 Japan
| | - Akichika Itoh
- Laboratory of Pharmaceuticals Synthetic ChemistryGifu Pharmaceutical University 1-25-4, Daigaku-nishi Gifu 501-1196 Japan
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33
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Affiliation(s)
- Ming Yang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
| | - Xuewei Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, Jiangxi P. R. China
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, Guangdong P. R. China
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34
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35
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He C, Cai J, Zheng Y, Pei C, Qiu L, Xu X. Gold-Catalyzed Hydroalkoxylation/Povarov Reaction Cascade of Alkynols with N-Aryl Imines: Synthesis of Tetrahydroquinolines. ACS OMEGA 2019; 4:15754-15763. [PMID: 31572879 PMCID: PMC6761745 DOI: 10.1021/acsomega.9b02693] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 08/27/2019] [Indexed: 05/10/2023]
Abstract
A one-pot gold-catalyzed hydroalkoxylation/Povarov reaction cascade of alkynols with N-aryl imines or in situ generated iminium has been developed. The protocol provides a facile access to a series of fused tricyclic tetrahydroquinolines with a broad substrate scope using readily available materials under mild conditions. The unique mechanistic feature is the dual function of the gold catalyst, which first catalyzed the intramolecular hydroalkoxylation of alkynols, and upon the formation of dihydrofuran species, promoted the following Povarov reaction with high stereoselectivity.
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Affiliation(s)
- Ciwang He
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ju Cai
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Yang Zheng
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Chao Pei
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Lihua Qiu
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xinfang Xu
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
- Guangdong
Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical
Sciences, Sun Yat-sen University, Guangzhou 510006, China
- Shanghai
Engineering Research Center of Molecular Therapeutics and New Drug
Development, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, China
- E-mail:
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36
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Ishitani H, Kanai K, Yoo W, Yoshida T, Kobayashi S. A Nickel‐Diamine/Mesoporous Silica Composite as a Heterogeneous Chiral Catalyst for Asymmetric 1,4‐Addition Reactions. Angew Chem Int Ed Engl 2019; 58:13313-13317. [DOI: 10.1002/anie.201906349] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/14/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kan Kanai
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomoko Yoshida
- Advanced Research Institute for Natural Science and TechnologyOsaka City University 3-3-138 Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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37
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Nayak PS, Barik B, Achary LSK, Kumar A, Dash P. Gold nanoparticles deposited on MnO2 nanorods modified graphene oxide composite: A potential ternary nanocatalyst for efficient synthesis of betti bases and bisamides. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.110415] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Ishitani H, Kanai K, Yoo W, Yoshida T, Kobayashi S. A Nickel‐Diamine/Mesoporous Silica Composite as a Heterogeneous Chiral Catalyst for Asymmetric 1,4‐Addition Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906349] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Haruro Ishitani
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kan Kanai
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Woo‐Jin Yoo
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Tomoko Yoshida
- Advanced Research Institute for Natural Science and TechnologyOsaka City University 3-3-138 Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Shū Kobayashi
- Department of ChemistrySchool of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Green & Sustainable Chemistry Cooperation LaboratoryGraduate School of ScienceThe University of Tokyo Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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Young AJ, Sauer M, Rubio GMDM, Sato A, Foelske A, Serpell CJ, Chin JM, Reithofer MR. One-step synthesis and XPS investigations of chiral NHC-Au(0)/Au(i) nanoparticles. NANOSCALE 2019; 11:8327-8333. [PMID: 30984947 DOI: 10.1039/c9nr00905a] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Although N-heterocyclic carbenes (NHCs) have been demonstrated as suitable ligands for the stabilisation of gold nanoparticles (AuNPs) through a variety of methods, the manner in which such AuNPs form is yet to be fully elucidated. We report a simple and fast one-step synthesis of uniform chiral (l/d)-histidin-2-ylidene stabilised gold nanoparticles using the organometallic Au(i) complex as a well defined starting material. The resulting nanoparticles have an average size of 2.35 ± 0.43 nm for the L analog whereas an average size of 2.25 ± 0.39 nm was found for the D analog. X-ray photoelectron spectroscopy analyses reveal the presence of Au(i) and Au(0) in all NHC stabilised AuNPs. In contrast, measured X-ray photoelectron spectra of dodecanethiol protected gold nanoparticles showed only the presence of a Au(0) species. This observation leads us to postulate that AuNPs synthesised from organometallic NHC-Au(i) complexes exhibit a monolayer of Au(i) surrounding a Au(0) core. This work highlights the importance of synthetic method choice for NHC-stabilized AuNPs, as this could determine Au oxidation states and resulting AuNP properties such as catalytic activities and stabilities.
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Affiliation(s)
- Adam J Young
- Gray Centre for Advanced Materials, School of Mathematics and Physical Sciences, University of Hull, Cottingham Road, Hull, East Riding of Yorkshire, HU6 7RX, UK.
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40
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Maejima S, Yamaguchi E, Itoh A. trans-Diastereoselective Syntheses of γ-Lactones by Visible Light-Iodine-Mediated Carboesterification of Alkenes. ACS OMEGA 2019; 4:4856-4870. [PMID: 31459670 PMCID: PMC6648839 DOI: 10.1021/acsomega.9b00333] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 02/21/2019] [Indexed: 05/08/2023]
Abstract
This study aims to develop an intermolecular lactonization reaction of alkenes with carbonyls mediated by visible light and molecular iodine. The one-step reaction involved the carboesterification of alkenes to produce the corresponding lactones in moderate to good yield. It was also revealed that it is possible to control the diastereoselectivity of the reaction by altering the base used and the reaction conditions. When water was added as a solvent, the reaction resulted in the formation of lactones with trans-selectivity. A mechanistic investigation was undertaken and it was found that the reaction requires the generation of an iodine radical from molecular iodine, driven by visible light irradiation, and proceeds via the formation of an iodine radical alkene adduct. The proposed reaction is an example of a rare-metal free intermolecular addition cyclization reaction, which is an environment-friendly chemical process that only uses molecular iodine. In addition, since diastereoselectivity was observed without the use of any specific reagents, the developed methodology is an example of a novel stereoselective transformation using only cost-effective reagents.
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41
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Zn(OTf)2-catalyzed, microwave-promoted synthesis of 2-substituted 5-methyloxazoles from propargylic amides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.02.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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42
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Himmelstrup J, Buendia MB, Sun XW, Kramer S. Enantioselective aryl–aryl coupling facilitated by chiral binuclear gold complexes. Chem Commun (Camb) 2019; 55:12988-12991. [DOI: 10.1039/c9cc07175j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The first example of highly enantioselective aryl–aryl coupling mediated by chiral gold complexes is reported.
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Affiliation(s)
- Jonas Himmelstrup
- Department of Chemistry
- Technical University of Denmark
- 2800 Kgs. Lyngby
- Denmark
| | - Mikkel B. Buendia
- Department of Chemistry
- Technical University of Denmark
- 2800 Kgs. Lyngby
- Denmark
| | - Xing-Wen Sun
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Søren Kramer
- Department of Chemistry
- Technical University of Denmark
- 2800 Kgs. Lyngby
- Denmark
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43
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Harris RJ, Carden RG, Duncan AN, Widenhoefer RA. Kinetics and Mechanism of the Gold-Catalyzed Intermolecular Hydroalkoxylation of Allenes with Alcohols. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02211] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Robert J. Harris
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Robert G. Carden
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Alethea N. Duncan
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
| | - Ross A. Widenhoefer
- Department of Chemistry, French Family Science
Center, Duke University, Durham, North Carolina 27708, United States
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44
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Li L, Yang D, Zhao Z, Song Y, Zhao L, Liu R, Liu G. Boron Tetrafluoride Anion Bonding Dual Active Species Within a Large-Pore Mesoporous Silica for Two-Step Successive Organic Transformaion to Prepare Optically Pure Amino Alcohols. Front Chem 2018; 6:272. [PMID: 30035110 PMCID: PMC6043685 DOI: 10.3389/fchem.2018.00272] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 06/18/2018] [Indexed: 11/29/2022] Open
Abstract
Development of a simple and easy handing process for preparation of multifunctional heterogenous catalysts and exploration of their applications in sequential organic transformation are of great significance in heterogeneous asymmetric catalysis. Herein, through the utilization of a BF4- anion–bonding strategy, we anchor conveniently both organic bases and chiral ruthenium complex into the nanopores of Me-FDU−12, fabricating a Lewis base/Ru bifunctional heterogeneous catalyst. As we envisaged, cyclic amine as a Lewis base promotes an intermolecular aza–Michael addition between enones and arylamines, affording γ-secondary amino ketones featuring with aryl motif, whereas ruthenium/diamine species as catalytic promoter boosts an asymmetric transfer hydrogenation of γ-secondary amino ketones to γ-secondary amino alcohols. As expected, both enhance synergistically the aza–Michael addition/asymmetric transfer hydrogenation one–pot enantioselective organic transformation, producing chiral γ-secondary amino alcohols with up to 98% enantioselectivity. Unique features, such as operationally simple one–step synthesis of heterogeneous catalyst, homo–like catalytic environment as well as green sustainable process make this heterogeneous catalyst an attracting in a practical preparation of optically pure pharmaceutical intermediates of antidepressants.
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Affiliation(s)
- Liang Li
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Dongfeng Yang
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Zhongrui Zhao
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Yongkang Song
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Lei Zhao
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Rui Liu
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
| | - Guohua Liu
- Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, China
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45
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Gold-catalyzed stereoselective cycloisomerization of allenoic acids for two types of common natural γ-butyrolactones. Nat Commun 2018; 9:1654. [PMID: 29695784 PMCID: PMC5916948 DOI: 10.1038/s41467-018-03894-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 03/20/2018] [Indexed: 11/08/2022] Open
Abstract
γ-(E)-Vinylic and γ-alkylic γ-butyrolactones are two different types of lactones existing extensively in animals and plants and many of them show interesting biological activities. Nature makes alkylic γ-butyrolactones by many different enzymatic lactonization processes. Scientists have been mimicking the natural strategy by developing new catalysts. However, direct and efficient access to γ-(E)-vinylic γ-butyrolactones is still extremely limited. Here, we wish to present our modular allene approach, which provides an efficient asymmetric approach to (E)-vinylic γ-butyrolactones from allenoic acids by identifying a new gold complex as the catalyst. Based on this cycloisomerization strategy, the first syntheses of racemic xestospongiene and xestospongienes E, F, G, and H have been realized and the absolute configurations of the chiral centers in xestospongienes E and F have been revised. In addition, by applying a C–O bond cleavage-free hydrogenation, the syntheses of naturally occurring γ-alkylic γ-lactones, (R)-4-tetradecalactone, (S)-4-tetradecalactone, (R)-γ-palmitolactone, and (R)-4-decalactone, have also been achieved. Gamma-butyrolactones are widespread in Nature, however direct catalytic methods to access them are limited. Here, the authors report a gold-catalyzed cycloisomerization of allenoic acids to acces γ-butyrolactones and apply it to the asymmetric synthesis of xestospongienes E, F, G, and H and other naturally occurring lactones.
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Das P, Ray S, Bhanja P, Bhaumik A, Mukhopadhyay C. Serendipitous Observation of Liquid-Phase Size Selectivity inside a Mesoporous Silica Nanoreactor in the Reaction of Chromene with Formic Acid. ChemCatChem 2018. [DOI: 10.1002/cctc.201701975] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Paramita Das
- Department of Chemistry; University of Calcutta; 92, APC Road Kolkata- 700009 India
- Department of Chemistry; Asutosh College; 92, S. P. Mukherjee Road Kolkata- 700026 India
| | - Suman Ray
- Department of Chemistry; University of Calcutta; 92, APC Road Kolkata- 700009 India
| | - Piyali Bhanja
- Department of Materials Science; Indian Association for the Cultivation of Science, Jadavpur; Kolkata- 700032 India
| | - Asim Bhaumik
- Department of Materials Science; Indian Association for the Cultivation of Science, Jadavpur; Kolkata- 700032 India
| | - Chhanda Mukhopadhyay
- Department of Chemistry; University of Calcutta; 92, APC Road Kolkata- 700009 India
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Ye R, Zhukhovitskiy AV, Kazantsev RV, Fakra SC, Wickemeyer BB, Toste FD, Somorjai GA. Supported Au Nanoparticles with N-Heterocyclic Carbene Ligands as Active and Stable Heterogeneous Catalysts for Lactonization. J Am Chem Soc 2018; 140:4144-4149. [PMID: 29506380 DOI: 10.1021/jacs.8b01017] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Attachment of N-heterocyclic carbenes (NHCs) on the surface of metal nanoparticle (NP) catalysts permits fine-tuning of catalytic activity and product selectivity. Yet, NHC-coated Au NPs have been seldom used in catalysis beyond hydrogenation chemistry. One challenge in this field has been to develop a platform that permits arbitrary ligand modification without having to compromise NP stability toward aggregation or leaching. Herein, we exploit the strategy of supported dendrimer-encapsulated metal clusters (DEMCs) to achieve aggregation-stable yet active heterogeneous Au NP catalysts with NHC ligands. Dendrimers function as aggregation-inhibitors during the NP synthesis, and NHCs, well-known for their strong attachment to the gold surface, provide a handle to modify the stereochemistry, stereoelectronics, and chemical functionality of the NP surface. Indeed, compared to "ligandless" Au NPs which are virtually inactive below 80 °C, the NHC-ligated Au NP catalysts enable a model lactonization reaction to proceed at 20 °C on the same time scale (hours). Based on Eyring analysis, proto-deauration is the turnover-limiting step accelerated by the NHC ligands. Furthermore, the use of chiral NHCs led to asymmetric induction (up to 16% enantiomeric excess) in the lactonization transformations, which demonstrates the potential of supported DEMCs with ancillary ligands in enantioselective catalysis.
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48
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Carabineiro SAC, Martins LMDRS, Pombeiro AJL, Figueiredo JL. Commercial Gold(I) and Gold(III) Compounds Supported on Carbon Materials as Greener Catalysts for the Oxidation of Alkanes and Alcohols. ChemCatChem 2018. [DOI: 10.1002/cctc.201701886] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Sónia A. C. Carabineiro
- Laboratório de Catálise e Materiais, Laboratório Associado LSRE-LCM, Faculdade de Engenharia; Universidade do Porto; Rua Dr. Roberto Frias 4200-465 Porto Portugal
| | - Luísa M. D. R. S. Martins
- Centro de Química Estrutural, Instituto Superior Técnico; Universidade de Lisboa; Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural, Instituto Superior Técnico; Universidade de Lisboa; Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - José L. Figueiredo
- Laboratório de Catálise e Materiais, Laboratório Associado LSRE-LCM, Faculdade de Engenharia; Universidade do Porto; Rua Dr. Roberto Frias 4200-465 Porto Portugal
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50
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Andris E, Andrikopoulos PC, Schulz J, Turek J, Růžička A, Roithová J, Rulíšek L. Aurophilic Interactions in [(L)AuCl]...[(L′)AuCl] Dimers: Calibration by Experiment and Theory. J Am Chem Soc 2018; 140:2316-2325. [DOI: 10.1021/jacs.7b12509] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Erik Andris
- Department
of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030, CZ-128 43 Prague 2, Czech Republic
| | - Prokopis C. Andrikopoulos
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 2, CZ-166 10 Prague 6, Czech Republic
| | - Jiří Schulz
- Department
of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030, CZ-128 43 Prague 2, Czech Republic
| | - Jan Turek
- Department
of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
| | - Aleš Růžička
- Department
of General and Inorganic Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, CZ-532 10 Pardubice, Czech Republic
| | - Jana Roithová
- Department
of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030, CZ-128 43 Prague 2, Czech Republic
| | - Lubomír Rulíšek
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo náměstí 2, CZ-166 10 Prague 6, Czech Republic
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