201
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Liu C, Lalancette R, Szostak R, Szostak M. Sterically Hindered Ketones via Palladium-Catalyzed Suzuki–Miyaura Cross-Coupling of Amides by N–C(O) Activation. Org Lett 2019; 21:7976-7981. [DOI: 10.1021/acs.orglett.9b02961] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Roger Lalancette
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Roman Szostak
- Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw 50-383, Poland
| | - Michal Szostak
- College of Chemistry and Chemical Engineering and Key Laboratory of Auxiliary Chemistry and Technology for Chemical Industry, Ministry of Education, Shaanxi University of Science and Technology, Xi'an 710021, China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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202
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Biswas S, Bheemireddy NR, Bal M, Van Steijvoort BF, Maes BUW. Directed C–H Functionalization Reactions with a Picolinamide Directing Group: Ni-Catalyzed Cleavage and Byproduct Recycling. J Org Chem 2019; 84:13112-13123. [DOI: 10.1021/acs.joc.9b02299] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Sovan Biswas
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | | | - Mathias Bal
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | - Ben F. Van Steijvoort
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | - Bert U. W. Maes
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
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203
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Vaishanv NK, Zaheer MK, Kant R, Mohanan K. Phosphine-Catalyzed β-Selective Conjugate Addition of α-Fluoro-β-ketoamides to Allenic Esters. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901199] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Narendra Kumar Vaishanv
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; 226031 Lucknow India
| | - Mohd Khalid Zaheer
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; 226031 Lucknow India
| | - Ruchir Kant
- Molecular and Structural Biology Division; CSIR-Central Drug Research Institute; 226031 Lucknow India
| | - Kishor Mohanan
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; 226031 Lucknow India
- Academy of Scientific and Innovative Research; New Delhi India
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204
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Takahashi Y, Sato T, Chida N. Iridium-catalyzed Reductive Nucleophilic Addition to Tertiary Amides. CHEM LETT 2019. [DOI: 10.1246/cl.190467] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Yoshito Takahashi
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Takaaki Sato
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Noritaka Chida
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
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205
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Xu Z, Wang XG, Wei YH, Ji KL, Zheng JF, Ye JL, Huang PQ. Organocatalytic, Enantioselective Reductive Bis-functionalization of Secondary Amides: One-Pot Construction of Chiral 2,2-Disubstituted 3-Iminoindoline. Org Lett 2019; 21:7587-7591. [PMID: 31479277 DOI: 10.1021/acs.orglett.9b02862] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We report the first catalytic, enantioselective reductive bis-functionalization of common amides, which provides a facile access to a variety of 2,2-disubstituted 3-iminoindolines in good yields and with excellent enantioselectivities. The reaction conditions are quite mild and can be run on a gram scale. In this one-pot reaction, three C-C bonds, one ring, and one nitrogen-containing tetrasubstituted carbon stereocenter are created in a catalytic enantioselective manner.
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Affiliation(s)
- Zhen Xu
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
| | - Xiao-Gang Wang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
| | - Yong-Hua Wei
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
| | - Kan-Lei Ji
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
| | - Jian-Feng Zheng
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China.,The State Key Laboratory of Bio-organic and Natural Products Chemistry, CAS , 354 Fenglin Road , Shanghai 200032 , P.R. China
| | - Jian-Liang Ye
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
| | - Pei-Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P.R. China
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206
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Spinozzi E, Bauer A, Maulide N. A Mild Synthesis of Bicyclic Alkoxyoxazolium Salts from Proline and Pipecolic Acid Derivatives. European J Org Chem 2019; 2019:5230-5233. [PMID: 31598092 PMCID: PMC6771909 DOI: 10.1002/ejoc.201900985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Indexed: 11/29/2022]
Abstract
A regio- and chemoselective preparation of bicyclic alkoxyoxazolium salts from amide derivatives of proline and pipecolic acid by electrophilic amide activation is reported. Mechanistic NMR experiments suggest an unusual role for the base and highlight the effect of substitution pattern of the substrates.
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Affiliation(s)
- Eleonora Spinozzi
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Adriano Bauer
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Nuno Maulide
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
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207
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Sureshbabu P, Azeez S, Muniyappan N, Sabiah S, Kandasamy J. Chemoselective Synthesis of Aryl Ketones from Amides and Grignard Reagents via C(O)–N Bond Cleavage under Catalyst-Free Conditions. J Org Chem 2019; 84:11823-11838. [DOI: 10.1021/acs.joc.9b01699] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Popuri Sureshbabu
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | - Sadaf Azeez
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
| | | | | | - Jeyakumar Kandasamy
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh 221005, India
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208
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Kolleth A, Dagoneau D, Quinodoz P, Lumbroso A, Avanthay M, Catak S, Sulzer‐Mossé S, De Mesmaeker A. Synthesis of Benzazepinones
via
Intramolecular Cyclization Involving Ketene Iminium Intermediates. Helv Chim Acta 2019. [DOI: 10.1002/hlca.201900168] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Amandine Kolleth
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Dylan Dagoneau
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Pierre Quinodoz
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Alexandre Lumbroso
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Mickael Avanthay
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Saron Catak
- Bogazici UniversityDepartment of Chemistry, Bebek 34342 Istanbul Turkey
| | - Sarah Sulzer‐Mossé
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
| | - Alain De Mesmaeker
- Syngenta Crop Protection AG, Crop Protection ResearchResearch Chemistry Schaffhauserstrasse 101 CH-4332 Stein Switzerland
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209
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Dual demeanour of norcantharidin derived dicarboxamides in acidic media: An insight. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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210
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Wang S, Huang P. Cross‐Coupling of Secondary Amides with Tertiary Amides: The Use of Tertiary Amides as Surrogates of Alkyl Carbanions for Ketone Synthesis. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900215] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Shu‐Ren Wang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University Xiamen Fujian 361005 China
| | - Pei‐Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University Xiamen Fujian 361005 China
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211
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Chen H, Huang YH, Ye JL, Huang PQ. Double Addition of Alkynyllithium Reagents to Amides/Lactams: A Direct and Flexible Synthesis of 3-Amino-1,4-diynes Bearing an Aza-Quaternary Carbon Center. J Org Chem 2019; 84:9270-9281. [PMID: 31287315 DOI: 10.1021/acs.joc.9b01416] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient and mild protocol for the direct and flexible synthesis of 3-amino-1,4-diynes bearing an aza-quaternary carbon from tertiary amides and lactams has been established. The one-pot method consists of in situ activation of amides with trifluoromethanesulfonic anhydride, followed by double addition of alkynyllithium reagents at a concentration of 0.5 mol·L-1 in dichloromethane. This constitutes an extension of the method of direct reductive bisalkylation of amides that allows both employing alkynyllithium reagents as the first-addition nucleophiles and incorporating an alkynyl group as the first-introduced group.
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Affiliation(s)
- Hang Chen
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P. R. China
| | - Ying-Hong Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P. R. China
| | - Jian-Liang Ye
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P. R. China
| | - Pei-Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen , Fujian 361005 , P. R. China
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212
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Xu F, Wang Y, Xun X, Huang Y, Jin Z, Song B, Wu J. Diverse Oxidative C(sp 2)-N Bond Cleavages of Aromatic Fused Imidazoles for Synthesis of α-Ketoamides and N-(pyridin-2-yl)arylamides. J Org Chem 2019; 84:8411-8422. [PMID: 30977657 DOI: 10.1021/acs.joc.9b00208] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An efficient and chemoselective C(sp2)-N bond cleavage of aromatic imidazo[1,2- a]pyridine molecules is developed. A broad scope of amide compounds such as α-ketoamides and N-(pyridin-2-yl)arylamides are afforded as the final products in up to quantitative yields. Diverse C-N bond cleavages are controlled by the oxidative species used in this transformation, with various amide products afforded in a chemoselective fashion. A preliminary study indicated that some α-ketoamides exhibit anti-Tobacco Mosaic Virus activity for potential use in plant protection.
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Affiliation(s)
- Fangzhou Xu
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Yanyan Wang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Xiwei Xun
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Yun Huang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Baoan Song
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
| | - Jian Wu
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals , Guizhou University , Huaxi District, Guiyang 550025 , China
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213
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214
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Geng H, Huang P. Ketone Synthesis by Direct, Orthogonal Chemoselective Hydroacylation of Alkenes with Amides: Use of Alkenes as Surrogates of Alkyl Carbanions. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900252] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Hui Geng
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical BiologyCollege of Chemistry and Chemical Engineering, Xiamen University Xiamen Fujian 361005 China
| | - Pei‐Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical BiologyCollege of Chemistry and Chemical Engineering, Xiamen University Xiamen Fujian 361005 China
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215
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Chen TT, Wang AE, Huang PQ. Chemoselective Synthesis of α-Amino-α-cyanophosphonates by Reductive Gem-Cyanation-Phosphonylation of Secondary Amides. Org Lett 2019; 21:3808-3812. [PMID: 31059269 DOI: 10.1021/acs.orglett.9b01257] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A novel approach to α-amino-α-cyanophosphonates has been developed. The method features a Tf2O-mediated reductive geminal cyanation/phosphonylation of secondary amides. Mild reaction conditions, high bond-forming efficiency, inexpensive readily available starting materials, and good to excellent yields with wide functional group compatibility constitute the main advantages of this method. The protocol can be run on a gram scale.
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Affiliation(s)
| | - Ai-E Wang
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , Fujian , China.,State Key Laboratory of Applied Organic Chemistry Lanzhou University , Lanzhou 730000 , China
| | - Pei-Qiang Huang
- Department of Chemistry and Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , Fujian , China.,State Key Laboratory of Applied Organic Chemistry Lanzhou University , Lanzhou 730000 , China
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216
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Ong DY, Yen Z, Yoshii A, Revillo Imbernon J, Takita R, Chiba S. Controlled Reduction of Carboxamides to Alcohols or Amines by Zinc Hydrides. Angew Chem Int Ed Engl 2019; 58:4992-4997. [DOI: 10.1002/anie.201900233] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/09/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Derek Yiren Ong
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Zhihao Yen
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Asami Yoshii
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Julia Revillo Imbernon
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Ryo Takita
- Graduate School of Pharmaceutical SciencesThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Shunsuke Chiba
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
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217
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Hiraoka S, Matsumoto T, Matsuzaka K, Sato T, Chida N. Approach to Fully Substituted Cyclic Nitrones from
N
‐Hydroxylactam Derivatives: Development and Application to the Total Synthesis of Cylindricine C. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shobu Hiraoka
- Department of Applied ChemistryFaculty of Science and TechnologyKeio University 3-14-1, Hiyoshi Kohoku-ku Yokohama 223-8522 Japan
| | - Tsutomu Matsumoto
- Department of Applied ChemistryFaculty of Science and TechnologyKeio University 3-14-1, Hiyoshi Kohoku-ku Yokohama 223-8522 Japan
| | - Koki Matsuzaka
- Department of Applied ChemistryFaculty of Science and TechnologyKeio University 3-14-1, Hiyoshi Kohoku-ku Yokohama 223-8522 Japan
| | - Takaaki Sato
- Department of Applied ChemistryFaculty of Science and TechnologyKeio University 3-14-1, Hiyoshi Kohoku-ku Yokohama 223-8522 Japan
| | - Noritaka Chida
- Department of Applied ChemistryFaculty of Science and TechnologyKeio University 3-14-1, Hiyoshi Kohoku-ku Yokohama 223-8522 Japan
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218
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Yan D, Jiang H, Sun W, Wei W, Zhao J, Zhang X, Wu YD. Synthesis of Benzofurans and Benzoxazoles through a [3,3]-Sigmatropic Rearrangement: O–NHAc as a Multitasking Functional Group. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Dingyuan Yan
- State Key Laboratory of Coordination Chemistry, Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, China
| | - Heming Jiang
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Wenxue Sun
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, China
| | - Wei Wei
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, China
| | - Jing Zhao
- State Key Laboratory of Coordination Chemistry, Institute of Chemistry and BioMedical Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
- Shenzhen Research Institute of Nanjing University, Shenzhen 518000, China
| | - Xinhao Zhang
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Yun-Dong Wu
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
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219
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Ong DY, Yen Z, Yoshii A, Revillo Imbernon J, Takita R, Chiba S. Controlled Reduction of Carboxamides to Alcohols or Amines by Zinc Hydrides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900233] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Derek Yiren Ong
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Zhihao Yen
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Asami Yoshii
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Julia Revillo Imbernon
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
| | - Ryo Takita
- Graduate School of Pharmaceutical SciencesThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Shunsuke Chiba
- Division of Chemistry and Biological ChemistrySchool of Physical and Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
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220
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He Y, Zheng Z, Liu Y, Qiao J, Zhang X, Fan X. Selective Cleavage and Tunable Functionalization of the C–C/C–N Bonds of N-Arylpiperidines Promoted by tBuONO. Org Lett 2019; 21:1676-1680. [DOI: 10.1021/acs.orglett.9b00226] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yan He
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhi Zheng
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yajie Liu
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jiajie Qiao
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xinying Zhang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuesen Fan
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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221
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Yang ZP, Lu GS, Ye JL, Huang PQ. Ir-catalyzed chemoselective reduction of β-amido esters: A versatile approach to β-enamino esters. Tetrahedron 2019. [DOI: 10.1016/j.tet.2018.12.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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222
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Huang YH, Wang SR, Wu DP, Huang PQ. Intermolecular Dehydrative [4 + 2] Aza-Annulation of N-Arylamides with Alkenes: A Direct and Divergent Entrance to Aza-Heterocycles. Org Lett 2019; 21:1681-1685. [DOI: 10.1021/acs.orglett.9b00233] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Ying-Hong Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P.R. China
| | - Shu-Ren Wang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P.R. China
| | - Dong-Ping Wu
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P.R. China
| | - Pei-Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P.R. China
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223
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Dorval C, Dubois E, Bourne‐Branchu Y, Gosmini C, Danoun G. Sequential Organozinc Formation and Negishi Cross‐Coupling of Amides Catalysed by Cobalt Salt. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801577] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Céline Dorval
- LCM, CNRS, Ecole PolytechniqueUniversité Paris-Saclay 91128 Palaiseau Cedex France
| | - Elodie Dubois
- LCM, CNRS, Ecole PolytechniqueUniversité Paris-Saclay 91128 Palaiseau Cedex France
| | - Yann Bourne‐Branchu
- LCM, CNRS, Ecole PolytechniqueUniversité Paris-Saclay 91128 Palaiseau Cedex France
| | - Corinne Gosmini
- LCM, CNRS, Ecole PolytechniqueUniversité Paris-Saclay 91128 Palaiseau Cedex France
| | - Grégory Danoun
- LCM, CNRS, Ecole PolytechniqueUniversité Paris-Saclay 91128 Palaiseau Cedex France
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224
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Hiraoka S, Matsumoto T, Matsuzaka K, Sato T, Chida N. Approach to Fully Substituted Cyclic Nitrones from N-Hydroxylactam Derivatives: Development and Application to the Total Synthesis of Cylindricine C. Angew Chem Int Ed Engl 2019; 58:4381-4385. [PMID: 30720229 DOI: 10.1002/anie.201901049] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Indexed: 01/03/2023]
Abstract
An approach to cyclic nitrones from N-hydroxylactam derivatives is documented. The nucleophilic addition of an organolithium reagent to an N-OSEM [SEM=2-(trimethylsilyl)ethoxymethyl] lactam forms a five-membered chelated intermediate, which undergoes both elimination and deprotection to give a fully substituted nitrone in a one-pot process. When combined with the N-oxidation of easily available chiral lactams, this method becomes especially useful for the quick synthesis of chiral nitrones in enantio-pure form, enabling the concise total synthesis of cylindricine C.
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Affiliation(s)
- Shobu Hiraoka
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Tsutomu Matsumoto
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Koki Matsuzaka
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Takaaki Sato
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
| | - Noritaka Chida
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, 223-8522, Japan
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225
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Shi S, Lalancette R, Szostak R, Szostak M. Triflamides: Highly Reactive, Electronically Activated N-Sulfonyl Amides in Catalytic N-C(O) Amide Cross-Coupling. Org Lett 2019; 21:1253-1257. [PMID: 30768275 DOI: 10.1021/acs.orglett.8b03901] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The direct, highly chemoselective Suzuki-Miyaura cross-coupling of trifluoromethanesulfonamides (triflamides) by selective N-C(O) amide bond cleavage is reported. This operationally simple, mild, and user-friendly method accomplishes the direct synthesis of ketones from amides by a catalytic manifold as a powerful alternative to Weinreb amides. Mechanistic studies support rotational inversion and electronic activation, favoring selective insertion under mild conditions. Our data strongly suggest that triflamides should be routinely considered as precursors in amide bond cross-coupling.
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Affiliation(s)
- Shicheng Shi
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Roger Lalancette
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Roman Szostak
- Department of Chemistry , Wroclaw University , F. Joliot-Curie 14 , Wroclaw 50-383 , Poland
| | - Michal Szostak
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
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226
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Wu D, He Q, Chen D, Ye J, Huang P. A Stepwise Annulation for the Transformation of Cyclic Ketones to Fused 6 and 7‐Membered Cyclic Enimines and Enones. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900035] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Dong‐Ping Wu
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
| | - Qian He
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
| | - Dong‐Huang Chen
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
| | - Jian‐Liang Ye
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
| | - Pei‐Qiang Huang
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
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227
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N-Acylphthalimides: Efficient Acyl Coupling Reagents in Suzuki–Miyaura Cross-Coupling by N–C Cleavage Catalyzed by Pd–PEPPSI Precatalysts. Catalysts 2019. [DOI: 10.3390/catal9020129] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We report a general, highly selective method for Suzuki–Miyaura cross-coupling of N-acylphthalimides via N–C(O) acyl cleavage catalyzed by Pd–PEPPSI-type precatalysts. Of broad synthetic interest, the method introduces N-acylphthalimides as new, bench-stable, highly reactive, twist-controlled, amide-based precursors to acyl-metal intermediates. The reaction delivers functionalized biaryl ketones by acylative Suzuki–Miyaura cross-coupling with readily available boronic acids. Studies demonstrate that cheap, easily prepared, and broadly applicable Pd–PEPPSI-type precatalysts supported by a sterically demanding IPr (1,3-Bis-(2,6-diisopropylphenyl)imidazol-2-ylidene) ancillary ligand provide high yields in this reaction. Preliminary selectivity studies and the effect of Pd–N-heterocyclic carbenes (NHC) complexes with allyl-type throw-away ligands are described. We expect that N-acylphthalimides will find significant use as amide-based acyl coupling reagents and cross-coupling precursors to acyl-metal intermediates.
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228
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Su L, Ren T, Dong J, Liu L, Xie S, Yuan L, Zhou Y, Yin SF. Cu(I)-Catalyzed 6-endo-dig Cyclization of Terminal Alkynes, 2-Bromoaryl Ketones, and Amides toward 1-Naphthylamines: Applications and Photophysical Properties. J Am Chem Soc 2019; 141:2535-2544. [DOI: 10.1021/jacs.8b12495] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Lebin Su
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Tianbing Ren
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jianyu Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Department of Educational Science, Hunan First Normal University, Changsha 410205, China
| | - Lixin Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Shimin Xie
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yongbo Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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229
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Liu YP, Wang SR, Chen TT, Yu CC, Wang AE, Huang PQ. Enamines as Surrogates of Alkyl Carbanions for the Direct Conversion of Secondary Amides to α-Branched Ketones. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801443] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yong-Peng Liu
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
| | - Shu-Ren Wang
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
| | - Ting-Ting Chen
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
| | - Cun-Cun Yu
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
| | - Ai-E Wang
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
- State Key Laboratory of Applied Organic Chemistry Lanzhou University; Lanzhou 730000 People's Republic of China
| | - Pei-Qiang Huang
- Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005, Fujian People's Republic of China
- State Key Laboratory of Applied Organic Chemistry Lanzhou University; Lanzhou 730000 People's Republic of China
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230
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Abstract
Acyl Suzuki cross-coupling involves the coupling of an organoboron reagent with an acyl electrophile (acyl halide, anhydride, ester, amide). This review provides a timely overview of the very important advances that have recently taken place in the acylative Suzuki cross-coupling. Particular emphasis is directed toward the type of acyl electrophiles, catalyst systems and new cross-coupling partners. This review will be of value to synthetic chemists involved in this rapidly developing field of Suzuki cross-coupling as well as those interested in using acylative Suzuki cross-coupling for the synthesis of ketones as a catalytic alternative to stoichiometric nucleophilic additions or Friedel-Crafts reactions.
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231
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Zhou PX, Shi S, Wang J, Zhang Y, Li C, Ge C. Palladium/copper-catalyzed decarbonylative heteroarylation of amides via C–N bond activation. Org Chem Front 2019. [DOI: 10.1039/c9qo00106a] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A novel strategy for the synthesis of 2-arylated oxazole derivatives via palladium/copper-catalyzed decarbonylative heteroarylation of amides via C–N bond activation by ground-state destabilization is reported.
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Affiliation(s)
- Ping-Xin Zhou
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Shuai Shi
- School of Foreign Language
- Xinxiang Medical University
- Xinxiang
- China
| | - Jia Wang
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Yalei Zhang
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Changzheng Li
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Chunpo Ge
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
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232
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Pd-Catalyzed Suzuki-Miyaura Cross-Coupling of Pentafluorophenyl Esters. Molecules 2018; 23:molecules23123134. [PMID: 30501083 PMCID: PMC6321476 DOI: 10.3390/molecules23123134] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/15/2018] [Accepted: 11/23/2018] [Indexed: 11/23/2022] Open
Abstract
Although the palladium-catalyzed Suzuki-Miyaura cross-coupling of aryl esters has received significant attention, there is a lack of methods that utilize cheap and readily accessible Pd-phosphane catalysts, and can be routinely carried out with high cross-coupling selectivity. Herein, we report the first general method for the cross-coupling of pentafluorophenyl esters (pentafluorophenyl = pfp) by selective C–O acyl cleavage. The reaction proceeds efficiently using Pd(0)/phosphane catalyst systems. The unique characteristics of pentafluorophenyl esters are reflected in the fully selective cross-coupling vs. phenolic esters. Of broad synthetic interest, this report establishes pentafluorophenyl esters as new, highly reactive, bench-stable, economical, ester-based, electrophilic acylative reagents via acyl-metal intermediates. Mechanistic studies strongly support a unified reactivity scale of acyl electrophiles by C(O)–X (X = N, O) activation. The reactivity of pfp esters can be correlated with barriers to isomerization around the C(acyl)–O bond.
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233
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Meng G, Szostak M. Palladium/NHC (NHC = N-Heterocyclic Carbene)-Catalyzed B-Alkyl Suzuki Cross-Coupling of Amides by Selective N–C Bond Cleavage. Org Lett 2018; 20:6789-6793. [DOI: 10.1021/acs.orglett.8b02911] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Guangrong Meng
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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