51
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Mehta MM, Boit TB, Dander JE, Garg NK. Ni-Catalyzed Suzuki-Miyaura Cross-Coupling of Aliphatic Amides on the Benchtop. Org Lett 2020; 22:1-5. [PMID: 31621338 PMCID: PMC6994262 DOI: 10.1021/acs.orglett.9b03434] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Suzuki-Miyaura cross-couplings of amides offer an approach to the synthesis of ketones that avoids the use of basic or pyrophoric nucleophiles. However, these reactions require glovebox manipulations, thus limiting their practicality. We report a benchtop protocol for Suzuki-Miyaura cross-couplings of aliphatic amides that utilizes a paraffin capsule containing a Ni(0) precatalyst and NHC ligand. This methodology is broad in scope, is scalable, and provides a user-friendly approach to convert aliphatic amides to alkyl-aryl ketones.
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Affiliation(s)
| | | | | | - Neil K. Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
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52
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Li R, Xu H, Zhao N, Jin X, Dang Y. Origins of Chemoselectivity in the Ni-Catalyzed Biaryl and Pd-Catalyzed Acyl Suzuki–Miyaura Cross-Coupling of N-Acetyl-Amides. J Org Chem 2019; 85:833-840. [DOI: 10.1021/acs.joc.9b02826] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Riqing Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
| | - Hui Xu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
| | - Ning Zhao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
| | - Xiaojiao Jin
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
| | - Yanfeng Dang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
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53
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Zheng Y, Newman SG. Nickel‐Catalyzed Domino Heck‐Type Reactions Using Methyl Esters as Cross‐Coupling Electrophiles. Angew Chem Int Ed Engl 2019; 58:18159-18164. [DOI: 10.1002/anie.201911372] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Yan‐Long Zheng
- Centre for Catalysis Research and InnovationDepartment of Chemistry and Biomolecular SciencesUniversity of Ottawa 10 Marie-Curie Ottawa Ontario K1N 6N5 Canada
| | - Stephen G. Newman
- Centre for Catalysis Research and InnovationDepartment of Chemistry and Biomolecular SciencesUniversity of Ottawa 10 Marie-Curie Ottawa Ontario K1N 6N5 Canada
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54
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Srimontree W, Guo L, Rueping M. Hydride Transfer Enables the Nickel‐Catalyzed
ipso
‐Borylation and Silylation of Aldehydes. Chemistry 2019; 26:423-427. [DOI: 10.1002/chem.201904842] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Watchara Srimontree
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Lin Guo
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Magnus Rueping
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
- Kaust Catalysis Center (KCC)King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
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55
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Sushmita, Aggarwal T, Shibata N, Verma AK. Triple‐Bond Directed Csp
2
−N Bond Formation with
N
‐Fluorobenzenesulfonimide as Aminating Source: One‐Step Transformation of Aldehydes into Amines. Chemistry 2019. [DOI: 10.1002/chem.201903495] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sushmita
- Department of ChemistryUniversity of Delhi Delhi 110007 India
| | - Trapti Aggarwal
- Department of ChemistryUniversity of Delhi Delhi 110007 India
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences and Department of, Life Science and Applied ChemistryNagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
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56
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Zhou T, Ji CL, Hong X, Szostak M. Palladium-catalyzed decarbonylative Suzuki-Miyaura cross-coupling of amides by carbon-nitrogen bond activation. Chem Sci 2019; 10:9865-9871. [PMID: 32015810 PMCID: PMC6977462 DOI: 10.1039/c9sc03169c] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/31/2019] [Indexed: 12/12/2022] Open
Abstract
Palladium-catalyzed Suzuki-Miyaura cross-coupling or aryl halides is widely employed in the synthesis of many important molecules in synthetic chemistry, including pharmaceuticals, polymers and functional materials. Herein, we disclose the first palladium-catalyzed decarbonylative Suzuki-Miyaura cross-coupling of amides for the synthesis of biaryls through the selective activation of the N-C(O) bond of amides. This new method relies on the precise sequence engineering of the catalytic cycle, wherein decarbonylation occurs prior to the transmetallation step. The reaction is compatible with a wide range of boronic acids and amides, providing valuable biaryls in high yields (>60 examples). DFT studies support a mechanism involving oxidative addition, decarbonylation and transmetallation and provide insight into high N-C(O) bond activation selectivity. Most crucially, the reaction establishes the use of palladium catalysis in the biaryl Suzuki-Miyaura cross-coupling of the amide bond and should enable the design of a wide variety of cross-coupling methods in which palladium rivals the traditional biaryl synthesis from aryl halides and pseudohalides.
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Affiliation(s)
- Tongliang Zhou
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , NJ 07102 , USA .
| | - Chong-Lei Ji
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China .
| | - Xin Hong
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China .
| | - Michal Szostak
- College of Chemistry and Chemical Engineering , 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 , NJ 07102 , USA .
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57
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Lei P, Ling Y, An J, Nolan SP, Szostak M. 2‐Methyltetrahydrofuran (2‐MeTHF): A Green Solvent for Pd−NHC‐Catalyzed Amide and Ester Suzuki‐Miyaura Cross‐Coupling by N−C/O−C Cleavage. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901188] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Peng Lei
- College of Plant ProtectionNorthwest A&F University, Yangling Shaanxi 712100 China
- Department of Applied Chemistry, College of ScienceChina Agricultural University Beijing 100193 China
- Department of ChemistryRutgers University 73 Warren Street Newark NJ 07102 United States
| | - Yun Ling
- Department of Applied Chemistry, College of ScienceChina Agricultural University Beijing 100193 China
| | - Jie An
- Department of Applied Chemistry, College of ScienceChina Agricultural University Beijing 100193 China
| | - Steven P. Nolan
- Department of Chemistry and Center for Sustainable ChemistryGhent University Krijgslaan 281 9000 Ghent Belgium
| | - Michal Szostak
- Department of ChemistryRutgers University 73 Warren Street Newark NJ 07102 United States
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58
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Zheng Y, Newman SG. Nickel‐Catalyzed Domino Heck‐Type Reactions Using Methyl Esters as Cross‐Coupling Electrophiles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911372] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yan‐Long Zheng
- Centre for Catalysis Research and InnovationDepartment of Chemistry and Biomolecular SciencesUniversity of Ottawa 10 Marie-Curie Ottawa Ontario K1N 6N5 Canada
| | - Stephen G. Newman
- Centre for Catalysis Research and InnovationDepartment of Chemistry and Biomolecular SciencesUniversity of Ottawa 10 Marie-Curie Ottawa Ontario K1N 6N5 Canada
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59
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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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60
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Tao J, Yu W, Luo J, Wang T, Ge W, Zhang Z, Yang B, Xiong F. Na2CO3-promoted thioesterification via N–C bond cleavage of amides to construct thioester derivatives. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819873514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A mild, efficient, and transition-metal-free catalytic strategy is developed to construct thioesters via selective N–C bond cleavage of Boc2-activated primary amides. This strategy is successfully carried out with stoichiometric Na2CO3 as the base and provides the corresponding products in moderate to excellent yields.
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Affiliation(s)
- Jiasi Tao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, P.R. China
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Weijie Yu
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Jin Luo
- Analytical and Testing Center, Jiangxi Normal University, Nanchang, P.R. China
| | - Tao Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, P.R. China
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Wanling Ge
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Ziwei Zhang
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Bingjie Yang
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
| | - Fei Xiong
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, P.R. China
- National Research Center for Carbohydrate Synthesis and Key Laboratory of Chemical Biology of Jiangxi Province, Jiangxi Normal University, Nanchang, P.R. China
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61
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Zhou JY, Tao SW, Liu RQ, Zhu YM. Forging C–S Bonds through Nickel-Catalyzed Aryl Anhydrides with Thiophenols: Decarbonylation or Decarbonylation Accompanied by Decarboxylation. J Org Chem 2019; 84:11891-11901. [DOI: 10.1021/acs.joc.9b01746] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jing-Ya Zhou
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
| | - Shou-Wei Tao
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
| | - Rui-Qing Liu
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
| | - Yong-Ming Zhu
- College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, China
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62
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Li Y, Wu H, Zeng Z. Palladium-Catalyzed Aerobic Oxidative Coupling of Amides with Arylboronic Acids by Cooperative Catalysis. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900531] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yue Li
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
| | - Hongxiang Wu
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
| | - Zhuo Zeng
- College of Chemistry & Environment; South China Normal University; 510006 Guangzhou Guangdong China
- Shanghai Institute of Organic Chemistry; Chinese Academy of Science; 354 Lingling Road 200032 Shanghai China
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63
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Ma H, Bai C, Bao YS. Heterogeneous Suzuki-Miyaura coupling of heteroaryl ester via chemoselective C(acyl)-O bond activation. RSC Adv 2019; 9:17266-17272. [PMID: 35519852 PMCID: PMC9064562 DOI: 10.1039/c9ra02394a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 05/27/2019] [Indexed: 11/21/2022] Open
Abstract
A site-selective supported palladium nanoparticle catalyzed Suzuki-Miyaura cross-coupling reaction with heteroaryl esters and arylboronic acids as coupling partners was developed. This methodology provides a heterogeneous catalytic route for aryl ketone formation via C(acyl)-O bond activation of esters by successful suppression of the undesired decarbonylation phenomenon. The catalyst can be reused and shows high activity after eight cycles. The XPS analysis of the catalyst before and after the reaction suggested that the reaction might be performed via a Pd0/PdII catalytic cycle that began with Pd0.
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Affiliation(s)
- Hongpeng Ma
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University Hohhot 010022 China +86-471-4392442
| | - Chaolumen Bai
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University Hohhot 010022 China +86-471-4392442
| | - Yong-Sheng Bao
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University Hohhot 010022 China +86-471-4392442
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64
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Yue H, Zhu C, Shen L, Geng Q, Hock KJ, Yuan T, Cavallo L, Rueping M. Nickel-catalyzed C-N bond activation: activated primary amines as alkylating reagents in reductive cross-coupling. Chem Sci 2019; 10:4430-4435. [PMID: 31057770 PMCID: PMC6482441 DOI: 10.1039/c9sc00783k] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 03/12/2019] [Indexed: 12/21/2022] Open
Abstract
Nickel-catalyzed reductive cross coupling of activated primary amines with aryl halides under mild reaction conditions has been achieved for the first time. Due to the avoidance of stoichiometric organometallic reagents and external bases, the scope regarding both coupling partners is broad. Thus, a wide range of substrates, natural products and drugs with diverse functional groups are tolerated. Moreover, experimental mechanistic investigations and density functional theory (DFT) calculations in combination with wavefunction analysis have been performed to understand the catalytic cycle in more detail.
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Affiliation(s)
- Huifeng Yue
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Chen Zhu
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Li Shen
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Qiuyang Geng
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Katharina J Hock
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Tingting Yuan
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
| | - Luigi Cavallo
- KAUST Catalysis Center, KCC , King Abdullah University of Science and Technology , KAUST , Thuwal 23955-6900 , Saudi Arabia
| | - Magnus Rueping
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , D-52074 Aachen , Germany .
- KAUST Catalysis Center, KCC , King Abdullah University of Science and Technology , KAUST , Thuwal 23955-6900 , Saudi Arabia
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65
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Hyodo K, Hasegawa G, Maki H, Uchida K. Deacetylative Amination of Acetyl Arenes and Alkanes with C-C Bond Cleavage. Org Lett 2019; 21:2818-2822. [PMID: 30946591 DOI: 10.1021/acs.orglett.9b00807] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The Brønsted acid-catalyzed synthesis of primary amines from acetyl arenes and alkanes with C-C bond cleavage is described. Although the conversion from an acetyl group to amine has traditionally required multiple steps, the method described herein, which uses an oxime reagent as an amino group source, achieves the transformation directly via domino transoximation/Beckmann rearrangement/Pinner reaction. The method was also applied to the synthesis of γ-aminobutyric acids, such as baclophen and rolipram.
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Affiliation(s)
- Kengo Hyodo
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Genna Hasegawa
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Hiroya Maki
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
| | - Kingo Uchida
- Department of Material Chemistry, Faculty of Science and Technology , Ryukoku University , Seta, Otsu , Shiga 520-2194 , Japan
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66
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Zheng YL, Newman SG. Methyl Esters as Cross-Coupling Electrophiles: Direct Synthesis of Amide Bonds. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00884] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Yan-Long Zheng
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario K1N 6N5, Canada
| | - Stephen G. Newman
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario K1N 6N5, Canada
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67
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Zhu L, Le L, Yan M, Au CT, Qiu R, Kambe N. Carbon-Carbon Bond Formation of Trifluoroacetyl Amides with Grignard Reagents via C(O)-CF 3 Bond Cleavage. J Org Chem 2019; 84:5635-5644. [PMID: 30950272 DOI: 10.1021/acs.joc.9b00583] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The reaction of trifluoroacetyl amides with Grignard reagent for the substitution of CF3 group with various alkyl or aryl groups is described. A variety of aryl, quinolin-8-yl, and (hetero)alkyl functional groups as well as F, Cl, and Br atoms are well tolerated. These moisture-stable and easily available trifluoroacetyl amides can be conveniently obtained and used as new versatile precursors for isocyanates. The control experiments show that the reaction proceeds via an isocyanate intermediate and/or alkoxide/amide dual anionic intermediate.
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Affiliation(s)
- Longzhi Zhu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Liyuan Le
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Mingpan Yan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Chak-Tong Au
- College of Chemistry and Chemical Engineering , Hunan Institute of Engineering , Xiangtan 411104 , P. R. China
| | - Renhua Qiu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Nobuaki Kambe
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China.,Department of Applied Chemistry, Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
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68
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Zhou T, Li G, Nolan SP, Szostak M. [Pd(NHC)(acac)Cl]: Well-Defined, Air-Stable, and Readily Available Precatalysts for Suzuki and Buchwald-Hartwig Cross-coupling (Transamidation) of Amides and Esters by N-C/O-C Activation. Org Lett 2019; 21:3304-3309. [PMID: 30990697 DOI: 10.1021/acs.orglett.9b01053] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A general class of well-defined, air-stable, and readily available Pd(II)-NHC precatalysts (NHC = N-heterocyclic carbene) for Suzuki and Buchwald-Hartwig cross-coupling of amides (transamidation) and esters by selective N-C/O-C cleavage is reported. Since these precatalysts are highly active and the easiest to synthesize, the study clearly suggests that [Pd(NHC)(acac)Cl] should be routinely included during the development of new cross-coupling methods. An assay for in situ screening of NHC salts in this cross-coupling manifold is presented.
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Affiliation(s)
- Tongliang Zhou
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Guangchen Li
- Department of Chemistry , Rutgers University , 73 Warren Street , Newark , New Jersey 07102 , United States
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry , Ghent University , Krijgslaan 281 , 9000 Ghent , Belgium
| | - 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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69
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Wu X, Li X, Huang W, Wang Y, Xu H, Cai L, Qu J, Chen Y. Direct Transformation of Aryl 2-Pyridyl Esters to Secondary Benzylic Alcohols by Nickel Relay Catalysis. Org Lett 2019; 21:2453-2458. [PMID: 30883142 DOI: 10.1021/acs.orglett.9b00774] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A direct transformation of aryl esters to secondary benzylic alcohols via tandem Ni-catalyzed cross-coupling reactions of aromatic 2-pyridyl esters with alkyl zinc reagents and carbonyl group reduction by Ni-H species is achieved. Preliminary mechanistic studies reveal that the Ni-H species is generated in situ via β-hydride elimination of the Negishi reagents. The reaction is catalyzed by bench-stable nickel salts under mild conditions with wide functional group tolerance.
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Affiliation(s)
- Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Xiaobin Li
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Yun Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Hui Xu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Liangzhen Cai
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai , 200237 , China
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70
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Shi S, Szostak M. Decarbonylative Borylation of Amides by Palladium Catalysis. ACS OMEGA 2019; 4:4901-4907. [PMID: 31459674 PMCID: PMC6647946 DOI: 10.1021/acsomega.9b00081] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 02/18/2019] [Indexed: 06/10/2023]
Abstract
The development of transition-metal-catalyzed borylation reactions is of significant importance for the fields of organic synthesis and medicinal chemistry because of the versatility of organoboron functional groups. Herein, we report the direct decarbonylative borylation of amides by highly selective carbon-nitrogen bond cleavage by palladium catalysis. The approach capitalizes on the ground-state destabilization of the amide bond in N-acyl glutarimides to achieve Pd-catalyzed insertion into the amide N-C bond and decarbonylation (deamidation). Mechanistic studies and the utility of this methodology in orthogonal sequential cross-couplings of robust, bench-stable amides are reported.
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71
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Samanta PK, Biswas P. Palladium Catalyzed Regioselective Synthesis of Substituted Biaryl Amides through Decarbonylative Arylation of Phthalimides. J Org Chem 2019; 84:3968-3976. [PMID: 30832471 DOI: 10.1021/acs.joc.8b03157] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Partha Kumar Samanta
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, West Bengal 711 103, India
| | - Papu Biswas
- Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, West Bengal 711 103, India
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72
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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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73
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Campeau LC, Hazari N. Cross-Coupling and Related Reactions: Connecting Past Success to the Development of New Reactions for the Future. Organometallics 2019; 38:3-35. [PMID: 31741548 PMCID: PMC6860378 DOI: 10.1021/acs.organomet.8b00720] [Citation(s) in RCA: 216] [Impact Index Per Article: 43.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Cross-coupling reactions, which were discovered almost 50 years ago, are widely used in both industry and academia. Even though cross-coupling reactions now represent mature technology, there is still a significant amount of research in this area that aims to improve the scope of these reactions, develop more efficient catalysts, and make reactions more practical. In this tutorial, a brief background to cross-coupling reactions is provided, and then the major advances in cross-coupling research over the last 20 years are described. These include the development of improved ligands and precatalysts for cross-coupling and the extension of cross-coupling reactions to a much wider range of electrophiles. For example, cross-coupling reactions are now common with sp3-hybridized electrophiles as well as ester, amide, ether, and aziridine substrates. For many of these more modern substrates, traditional palladium-based catalysts are less efficient than systems based on first-row transition metals such as nickel. Conventional cross-coupling reactions have also inspired the development of a range of related reactions, such as cross-electrophile and decarboxylative couplings as well as couplings based on metallaphotoredox chemistry. The development of these new reactions is probably at the same stage as traditional cross-coupling reactions 30 years ago, and this tutorial highlights how many of the same strategies used to improve cross-coupling reactions may also be applicable to making the new reactions more practical.
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Affiliation(s)
- Louis-Charles Campeau
- Department of Process Research and Development, Merck Research Laboratories, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Nilay Hazari
- Department of Chemistry, Yale University, P.O. Box 208107, New Haven, Connecticut 06520, United States
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74
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Wang H, Zhang SQ, Hong X. Computational studies on Ni-catalyzed amide C–N bond activation. Chem Commun (Camb) 2019; 55:11330-11341. [DOI: 10.1039/c9cc05763c] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This review summarizes the mechanistic models of Ni-catalyzed amide C–N bond cleavage and discusses their applications in related transformations.
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Affiliation(s)
- Hongliang Wang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Shuo-Qing Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Xin Hong
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
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75
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Lee SC, Guo L, Rueping M. Nickel-catalyzed exo-selective hydroacylation/Suzuki cross-coupling reaction. Chem Commun (Camb) 2019; 55:14984-14987. [DOI: 10.1039/c9cc07558e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first nickel-catalyzed intramolecular hydroacylation/Suzuki cross coupling cascade of o-allylbenzaldehydes with a broad range of phenylboronic acid neopentyl glycol esters has been developed.
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Affiliation(s)
- Shao-Chi Lee
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen
- Germany
| | - Lin Guo
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen
- Germany
| | - Magnus Rueping
- Institute of Organic Chemistry
- RWTH Aachen University
- Aachen
- Germany
- KAUST Catalysis Center (KCC)
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76
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Wang Q, Liu L, Dong J, Tian Z, Chen T. Metal-free thioesterification of amides generating acyl thioesters. NEW J CHEM 2019. [DOI: 10.1039/c9nj01748h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A base-initiated thioesterification of amides with various thiols is reported. This reaction can take place efficiently under metal-free and air-atmospheric conditions, and provides a facile and practically useful approach to the synthesis of valuable acyl thioesters.
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Affiliation(s)
- Qun Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering, Hunan University
- Changsha 410082
- China
| | - Long Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- College of Materials and Chemical Engineering
- Hainan University
- Haikou
- China
| | - Jianyu Dong
- Department of Educational Science, Hunan First Normal University
- Changsha 410205
- China
| | - Zhibin Tian
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- College of Materials and Chemical Engineering
- Hainan University
- Haikou
- China
| | - Tieqiao Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering, Hunan University
- Changsha 410082
- China
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
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77
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Liu S, Zhang T, Zhu L, Zhong K, Gong J, Yang Z, Bai R, Lan Y. Retro-metal-ene versus retro-Aldol: mechanistic insight into Rh-catalysed formal [3+2] cycloaddition. Chem Commun (Camb) 2018; 54:13551-13554. [PMID: 30444245 DOI: 10.1039/c8cc08335e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Theoretical calculations have been performed to investigate the mechanism and stereoselectivity of rhodium-catalysed intramolecular [3+2] cycloaddition for construction of a substituted hexahydropentalene complex. A new C-C bond cleavage mechanism, retro-Aldol-type, is proposed and verified for this Rh-catalysed [3+2] cycloaddition reaction.
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Affiliation(s)
- Song Liu
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China.
| | - Tao Zhang
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China.
| | - Lei Zhu
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China.
| | - Kangbao Zhong
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China.
| | - Jianxian Gong
- Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China. and State Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), College of Chemistry and the Peking University, Beijing 100871, China
| | - Zhen Yang
- Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China. and State Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), College of Chemistry and the Peking University, Beijing 100871, China
| | - Ruopeng Bai
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China.
| | - Yu Lan
- School of Chemistry and Chemical Engineering, and Chongqing Key Laboratory of Theoretical and Computational Chemistry, Chongqing University, Chongqing 400030, China. and College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China
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78
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Chaudhari MB, Gnanaprakasam B. Recent Advances in the Metal-Catalyzed Activation of Amide Bonds. Chem Asian J 2018; 14:76-93. [DOI: 10.1002/asia.201801317] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/13/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Moreshwar B. Chaudhari
- Indian Institute of Science Education and Research (IISER) Pune; Dr. Homi Bhabha Road Pune 411008 India
| | - Boopathy Gnanaprakasam
- Indian Institute of Science Education and Research (IISER) Pune; Dr. Homi Bhabha Road Pune 411008 India
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79
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Kaiser D, Bauer A, Lemmerer M, Maulide N. Amide activation: an emerging tool for chemoselective synthesis. Chem Soc Rev 2018; 47:7899-7925. [PMID: 30152510 DOI: 10.1039/c8cs00335a] [Citation(s) in RCA: 232] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
It is textbook knowledge that carboxamides benefit from increased stabilisation of the electrophilic carbonyl carbon when compared to other carbonyl and carboxyl derivatives. This results in a considerably reduced reactivity towards nucleophiles. Accordingly, a perception has been developed of amides as significantly less useful functional handles than their ester and acid chloride counterparts. However, a significant body of research on the selective activation of amides to achieve powerful transformations under mild conditions has emerged over the past decades. This review article aims at placing electrophilic amide activation in both a historical context and in that of natural product synthesis, highlighting the synthetic applications and the potential of this approach.
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Affiliation(s)
- Daniel Kaiser
- Institute of Organic Chemistry, University of Vienna, Währinger Strasse 38, 1090 Vienna, Austria.
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80
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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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81
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Cui B, Jia S, Tokunaga E, Shibata N. Defluorosilylation of fluoroarenes and fluoroalkanes. Nat Commun 2018; 9:4393. [PMID: 30349026 PMCID: PMC6197272 DOI: 10.1038/s41467-018-06830-w] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 09/28/2018] [Indexed: 11/12/2022] Open
Abstract
Direct activation of carbon–fluorine bonds (C–F) to introduce the silyl or boryl groups and generate valuable carbon–silicon (C–Si) or carbon–boron (C–B) bonds is important in the development of synthetically useful reactions, owing to the unique opportunities for further derivatization to achieve more complex molecules. Despite considerable progress of C–F bond activation to construct carbon–carbon (C–C) and carbon–heteroatom (C–X) bond formation, the defluorosilylation via C–F cleavage has been rarely demonstrated. Here, we report an ipso-silylation of aryl fluorides via cleavage of unactivated C–F bonds by a Ni catalyst under mild conditions and without the addition of any external ligand. Alkyl fluorides are also directly converted into the corresponding alkyl silanes under similar conditions, even in the absence of the Ni catalyst. Applications of this protocol in late-stage defluorosilylation of potentially bioactive pharmaceuticals and in further derivatizations are also carried out. Transformation of strong C-F bonds into C-Si bonds is an extremely useful strategy for further derivatization of organic molecules. Here, the authors report a nickel-catalyzed strategy to convert aryl fluorides into sylylated arenes while defluorosilylation of alkyl fluorides is achieved under metal-free conditions.
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Affiliation(s)
- Benqiang Cui
- Department of Nanopharmaceutical Sciences and Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
| | - Shichong Jia
- Department of Nanopharmaceutical Sciences and Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
| | - Etsuko Tokunaga
- Department of Nanopharmaceutical Sciences and Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences and Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan. .,Institute of Advanced Fluorine-Containing Materials, Zhejiang Normal University, 688 Yingbin Avenue, 321004, Jinhua, China.
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82
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Li LH, Niu ZJ, Li YX, Liang YM. Transition-metal-free multinitrogenation of amides by C-C bond cleavage: a new approach to tetrazoles. Chem Commun (Camb) 2018; 54:11148-11151. [PMID: 30225493 DOI: 10.1039/c8cc06324a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A metal-free brand-new one-pot multinitrogenation of amides for the chemo- and regioselective synthesis of 1,5-disubstituted tetrazoles has been developed. By means of electrophilic amide activation, and further C-C bond cleavage and rearrangement, a diverse set of functionalized 1,5-DST derivatives were selectively constructed under mild conditions. As showcased in the mechanisms, the chemoselectivity is easily switched by the selection of the starting materials in the reaction.
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Affiliation(s)
- Lian-Hua Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
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83
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Matsushita K, Takise R, Hisada T, Suzuki S, Isshiki R, Itami K, Muto K, Yamaguchi J. Pd-Catalyzed Decarbonylative C-H Coupling of Azoles and Aromatic Esters. Chem Asian J 2018; 13:2393-2396. [PMID: 29719140 DOI: 10.1002/asia.201800478] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Indexed: 01/10/2023]
Abstract
A decarbonylative C-H coupling of azoles and aromatic esters by palladium catalysis is described. Our previously reported Ni-catalyzed C-H coupling of azoles and aromatic esters has a significant drawback regarding the substrate scope. Herein, we employ palladium catalysis instead of nickel, resulting in a broader substrate scope in terms of azoles and aromatic esters.
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Affiliation(s)
- Kaoru Matsushita
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Ryosuke Takise
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Tomoya Hisada
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Shin Suzuki
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Kenichiro Itami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Kei Muto
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
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84
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Liu C, Li G, Shi S, Meng G, Lalancette R, Szostak R, Szostak M. Acyl and Decarbonylative Suzuki Coupling of N-Acetyl Amides: Electronic Tuning of Twisted, Acyclic Amides in Catalytic Carbon–Nitrogen Bond Cleavage. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02815] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Guangchen Li
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Shicheng Shi
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Guangrong Meng
- 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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85
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Masson-Makdissi J, Vandavasi JK, Newman SG. Switchable Selectivity in the Pd-Catalyzed Alkylative Cross-Coupling of Esters. Org Lett 2018; 20:4094-4098. [PMID: 29939758 DOI: 10.1021/acs.orglett.8b01646] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The Pd-catalyzed cross-coupling of phenyl esters and alkyl boranes is disclosed. Two reaction modes are rendered accessible in a selective fashion by interchange of the catalyst. With a Pd-NHC system, alkyl ketones can be prepared in good yields via a Suzuki-Miyaura reaction proceeding by activation of the C(acyl)-O bond. Use of a Pd-dcype catalyst enables alkylated arenes to be synthesized by a modified pathway with extrusion of CO. Applications of this divergent coupling strategy and the origin of the switchable selectivity are discussed.
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Affiliation(s)
- Jeanne Masson-Makdissi
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie-Curie , Ottawa , Ontario K1N 6N5 , Canada
| | - Jaya Kishore Vandavasi
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie-Curie , Ottawa , Ontario K1N 6N5 , Canada
| | - Stephen G Newman
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie-Curie , Ottawa , Ontario K1N 6N5 , Canada
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86
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Xu LL, Wang X, Ma B, Yin MX, Lin HX, Dai HX, Yu JQ. Copper mediated C-H amination with oximes: en route to primary anilines. Chem Sci 2018; 9:5160-5164. [PMID: 29997868 PMCID: PMC6001278 DOI: 10.1039/c8sc01256c] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Accepted: 05/12/2018] [Indexed: 12/31/2022] Open
Abstract
Here we report an efficient Cu(i)-mediated C-H amination reaction with oximes as amino donors to introduce NH2 groups directly. Various strongly coordinating heterocycles including quinoline, pyrimidine, pyrazine, pyrazole and triazole were tolerated well. The potential utility was further demonstrated in a late-stage modification of telmisartan (an antagonist for the angiotensin II receptor).
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Affiliation(s)
- Lin-Lin Xu
- Department of Chemistry , Innovative Drug Research Center , Shanghai University , 99 Shangda Road , Shanghai , 200444 , China
| | - Xing Wang
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica , University of Chinese Academy of Sciences , Chinese Academy of Sciences , 555 Zu Chong Zhi Road , Shanghai , 201203 , China .
| | - Biao Ma
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica , University of Chinese Academy of Sciences , Chinese Academy of Sciences , 555 Zu Chong Zhi Road , Shanghai , 201203 , China .
| | - Ming-Xing Yin
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica , University of Chinese Academy of Sciences , Chinese Academy of Sciences , 555 Zu Chong Zhi Road , Shanghai , 201203 , China .
| | - Hai-Xia Lin
- Department of Chemistry , Innovative Drug Research Center , Shanghai University , 99 Shangda Road , Shanghai , 200444 , China
| | - Hui-Xiong Dai
- Department of Medicinal Chemistry , Shanghai Institute of Materia Medica , University of Chinese Academy of Sciences , Chinese Academy of Sciences , 555 Zu Chong Zhi Road , Shanghai , 201203 , China .
| | - Jin-Quan Yu
- Department of Chemistry , The Scripps Research Institute , 10550N. Torrey Pines Road , La Jolla , California 92037 , USA
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87
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Okita T, Komatsuda M, Saito AN, Hisada T, Takahara TT, Nakayama KP, Isshiki R, Takise R, Muto K, Yamaguchi J. Dibenzofuran Synthesis: Decarbonylative Intramolecular C−H Arylation of Aromatic Esters. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800207] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Toshimasa Okita
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Masaaki Komatsuda
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Ami N. Saito
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Tomoya Hisada
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Tomoaki T. Takahara
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Keito P. Nakayama
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Ryota Isshiki
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Ryosuke Takise
- Graduate School of Science; Nagoya University; Chikusa Nagoya 464-8602 Japan
| | - Kei Muto
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry; Waseda University, 3-4-1 Ohkubo; Shinjuku Tokyo 169-8555 Japan
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88
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Ishitobi K, Isshiki R, Asahara KK, Lim C, Muto K, Yamaguchi J. Decarbonylative Aryl Thioether Synthesis by Ni Catalysis. CHEM LETT 2018. [DOI: 10.1246/cl.180226] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kota Ishitobi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kitty K. Asahara
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Cassandra Lim
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kei Muto
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
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89
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90
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Sun JG, Zhang XY, Yang H, Li P, Zhang B. Highly Regioselective Isoquinoline Synthesis via Nickel-Catalyzed Iminoannulation of Alkynes at Room Temperature. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800341] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jian-Guo Sun
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang 210009 Nanjing China
| | - Xiao-Yu Zhang
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang 210009 Nanjing China
| | - Hua Yang
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang 210009 Nanjing China
| | - Ping Li
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang 210009 Nanjing China
| | - Bo Zhang
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang 210009 Nanjing China
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91
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Li G, Lei P, Szostak M, Casals‐Cruañas E, Poater A, Cavallo L, Nolan SP. Mechanistic Study of Suzuki–Miyaura Cross‐Coupling Reactions of Amides Mediated by [Pd(NHC)(allyl)Cl] Precatalysts. ChemCatChem 2018. [DOI: 10.1002/cctc.201800511] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Guangchen Li
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 United States
| | - Peng Lei
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 United States
| | - Michal Szostak
- Department of Chemistry Rutgers University 73 Warren Street Newark NJ 07102 United States
| | - Eric Casals‐Cruañas
- Institut de Química Computacional i Catàlisi and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia Spain
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química Universitat de Girona Campus Montilivi 17003 Girona Catalonia Spain
| | - Luigi Cavallo
- King Abdullah University of Science & Technology KAUST Catalysis Center (KCC) 23955-6900 Thuwal Saudi Arabia
| | - Steven P. Nolan
- Department of Chemistry and Center for Sustainable Chemistry Ghent University Krijgslaan 281, S-3 B-9000 Ghent Belgium
- Department of Chemistry College of Science King Saud University P. O. Box 2455 Riyadh 11451 Saudi Arabia
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92
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Guo L, Rueping M. Decarbonylative Cross-Couplings: Nickel Catalyzed Functional Group Interconversion Strategies for the Construction of Complex Organic Molecules. Acc Chem Res 2018; 51:1185-1195. [PMID: 29652129 DOI: 10.1021/acs.accounts.8b00023] [Citation(s) in RCA: 149] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The utilization of carboxylic acid esters as electrophiles in metal-catalyzed cross-coupling reactions is increasingly popular, as environmentally friendly and readily available ester derivatives can be powerful alternatives to the commonly used organohalides. However, key challenges associated with the use of these chemicals remain to be addressed, including the stability of ester substrates and the high energy barrier associated with their oxidative addition to low-valent metal species. Due to recent developments in nickel catalysis that make it easier to perform oxidative additions, chemists have become interested in applying less reactive electrophiles as coupling counterparts in nickel-catalyzed transformations. Hence, our group and others have independently investigated various ester group substitutions and functionalizations enabled by nickel catalysis. Such methods are of great interest as they enable the exchange of ester groups, which can be used as directing groups in metal-catalyzed C-H functionalizations prior to their replacement. Here, we summarize our recent efforts toward the development of nickel-catalyzed decarbonylative cross-coupling reactions of carboxylic esters. Achievements accomplished by other groups in this area are also included. To this day, a number of new transformations have been successfully developed, including decarbonylative arylations, alkylations, cyanations, silylations, borylations, aminations, thioetherifications, stannylations, and hydrogenolysis reactions. These transformations proceed via a nickel-catalyzed decarbonylative pathway and have shown a high degree of reactivity and chemoselectivity, as well as several other unique advantages in terms of substrate availability, due to the use of esters as coupling partners. Although the mechanisms of these reactions have not yet been fully understood, chemists have already provided some important insights. For example, Yamamoto explored the stoichiometric nickel-mediated decarbonylation process of esters and proposed a reaction mechanism involving a C(acyl)-O bond cleavage and a CO extrusion. Key nickel intermediates were isolated and characterized by Shi and co-workers, supporting the assumption of a nickel/ N-heterocyclic carbene-promoted C(acyl)-O bond activation and functionalization. Our combined experimental and computational study of a ligand-controlled chemoselective nickel-catalyzed cross-coupling of aromatic esters with alkylboron reagents provided further insight into the reaction mechanism. We demonstrated that nickel complexes with bidentate ligands favor the C(aryl)-C bond cleavage in the oxidative addition step, resulting in decarbonylative alkylations, while nickel complexes with monodentate phosphorus ligands promote the activation of the C(acyl)-O bond, leading to the production of ketone products. Although more detailed mechanistic investigations need to be undertaken, the successful development of decarbonylative cross-coupling reactions can serve as a solid foundation for future studies. We believe that this type of decarbonylative cross-coupling reactions will be of significant value, in particularly in combination with the retrosynthetic analysis and synthesis of natural products and biologically active molecules. Thus, the presented ester substitution methods will pave the way for successful applications in the construction of complex frameworks by late-stage modification and functionalization of carboxylic acid derivatives.
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Affiliation(s)
- Lin Guo
- Institute of Organic Chemistry, RWTH-Aachen University, Landoltweg 1, 52072 Aachen, Germany
| | - Magnus Rueping
- King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC), Thuwal 23955-6900, Saudi Arabia
- Institute of Organic Chemistry, RWTH-Aachen University, Landoltweg 1, 52072 Aachen, Germany
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93
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Guo L, Rueping M. Transition-Metal-Catalyzed Decarbonylative Coupling Reactions: Concepts, Classifications, and Applications. Chemistry 2018; 24:7794-7809. [PMID: 29757465 DOI: 10.1002/chem.201704670] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Indexed: 12/17/2022]
Abstract
Transition metal-catalyzed decarbonylative coupling reactions have emerged as a powerful alternative to conventional cross-coupling protocols due to the advantages associated with the use of carbonyl-containing functionalities as coupling electrophiles instead of commonly used organohalides or sulfates. A wide variety of novel transformations based on this concept have been successfully achieved, including decarbonylative carbon-carbon and carbon-heteroatom bond forming reactions. In this Review, we summarize the recent progress in this field and present a comprehensive overview of metal-catalyzed decarbonylative coupling reactions with carbonyl derivatives.
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Affiliation(s)
- Lin Guo
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Magnus Rueping
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany.,King Abdullah University of Science and Technology (KAUST), KAUST Catalysis Center (KCC), Thuwal, 23955-6900, Saudi Arabia
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94
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Liu X, Hsiao CC, Guo L, Rueping M. Cross-Coupling of Amides with Alkylboranes via Nickel-Catalyzed C–N Bond Cleavage. Org Lett 2018; 20:2976-2979. [DOI: 10.1021/acs.orglett.8b01021] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiangqian Liu
- RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany
| | - Chien-Chi Hsiao
- RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany
| | - Lin Guo
- RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany
| | - Magnus Rueping
- RWTH Aachen University, Institute of Organic Chemistry, Landoltweg 1, 52074 Aachen, Germany
- King Abdullah University of Science and Technology (KAUST), Kaust Catalysis Center (KCC), Thuwal 23955-6900, Saudi Arabia
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95
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Okita T, Muto K, Yamaguchi J. Decarbonylative Methylation of Aromatic Esters by a Nickel Catalyst. Org Lett 2018; 20:3132-3135. [PMID: 29738252 DOI: 10.1021/acs.orglett.8b01233] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A Ni-catalyzed decarbonylative methylation of aromatic esters was achieved using methylaluminums as methylating agents. Dimethylaluminum chlorides uniquely worked as the methyl source. Because of the Lewis acidity of aluminum reagents, less reactive alkyl esters could also undergo the present methylation. By controlling the Lewis acidity of aluminum reagents, a chemoselective decarbonylative cross-coupling between alkyl esters and phenyl esters was successful.
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Affiliation(s)
- Toshimasa Okita
- Department of Applied Chemistry , Waseda University , 3-4-1 Ohkubo , Shinjuku, Tokyo 169-8555 , Japan
| | - Kei Muto
- Department of Applied Chemistry , Waseda University , 3-4-1 Ohkubo , Shinjuku, Tokyo 169-8555 , Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry , Waseda University , 3-4-1 Ohkubo , Shinjuku, Tokyo 169-8555 , Japan
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96
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Fichez J, Prestat G, Busca P. Reductive Cleavage of Aromatic and Heteroaromatic Ester Functions via Copper-Catalyzed Proto-Decarbomethoxylation. Org Lett 2018; 20:2724-2727. [PMID: 29693397 DOI: 10.1021/acs.orglett.8b00930] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
An unprecedented catalytic reductive cleavage of aromatic and heteroaromatic methyl ester functions was successfully achieved with a cheap, nontoxic, and air-stable Cu(OAc)2 catalyst. This reaction is fast, features good functional group tolerance, does not require inert atmosphere or anhydrous solvent, and can be scaled up to 1 g. Moreover, carboxylic acids and t-butyl esters also reacted smoothly under these conditions.
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Affiliation(s)
- Jeanne Fichez
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, UMR 8601 CNRS , Université Paris Descartes , Paris 75006 , France
| | - Guillaume Prestat
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, UMR 8601 CNRS , Université Paris Descartes , Paris 75006 , France
| | - Patricia Busca
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, UMR 8601 CNRS , Université Paris Descartes , Paris 75006 , France
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97
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Meng G, Szostak M. N
‐Acyl‐Glutarimides: Privileged Scaffolds in Amide N–C Bond Cross‐Coupling. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800109] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Guangrong Meng
- Department of Chemistry Rutgers University 73 Warren Street 07102 Newark NJ United States
| | - Michal Szostak
- Department of Chemistry Rutgers University 73 Warren Street 07102 Newark NJ United States
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98
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Abstract
Catalytic cross-coupling reactions of aromatic esters and amides have recently gained considerable attention from synthetic chemists as de novo and efficient synthetic methods to form C-C and C-heteroatom bonds. Esters and amides can be used as diversifiable groups in metal-catalyzed cross-coupling: in a decarbonylative manner, they can be utilized as leaving groups, whereas in a non-decarbonylative manner, they can form ketone derivatives. In this review, recent advances of this research topic are discussed.
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Affiliation(s)
- Ryosuke Takise
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
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99
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Shi S, Szostak M. Pd-PEPPSI: a general Pd-NHC precatalyst for Buchwald-Hartwig cross-coupling of esters and amides (transamidation) under the same reaction conditions. Chem Commun (Camb) 2018; 53:10584-10587. [PMID: 28895966 DOI: 10.1039/c7cc06186b] [Citation(s) in RCA: 134] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Amides are of fundamental interest in many fields of chemistry involving organic synthesis, chemical biology and biochemistry. Here, we report the first catalytic Buchwald-Hartwig coupling of both common esters and amides by highly selective C(acyl)-X (X = O, N) cleavage to rapidly access aryl amide functionality via a cross-coupling strategy. Reactions are promoted by versatile, easily prepared, well-defined Pd-PEPPSI type precatalysts, and proceed in good to excellent yields and with excellent chemoselectivity for the acyl bond cleavage. The method is user friendly because it employs commercially-available, moisture- and air-stable precatalysts. Notably, for the first time we demonstrate selective C(acyl)-N and C(acyl)-O cleavage/Buchwald-Hartwig amination under the same reaction conditions, which allows for streamlining amide synthesis by avoiding restriction to a particular acyl metal precursor. Of broad interest, this study opens the door to using a family of well-defined Pd(ii)-NHC precatalysts bearing pyridine "throw-away" ligands for the selective C(acyl)-amination of bench-stable carboxylic acid derivatives.
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Affiliation(s)
- Shicheng Shi
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA.
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100
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Chatupheeraphat A, Liao HH, Srimontree W, Guo L, Minenkov Y, Poater A, Cavallo L, Rueping M. Ligand-Controlled Chemoselective C(acyl)-O Bond vs C(aryl)-C Bond Activation of Aromatic Esters in Nickel Catalyzed C(sp 2)-C(sp 3) Cross-Couplings. J Am Chem Soc 2018; 140:3724-3735. [PMID: 29461813 DOI: 10.1021/jacs.7b12865] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A ligand-controlled and site-selective nickel catalyzed Suzuki-Miyaura cross-coupling reaction with aromatic esters and alkyl organoboron reagents as coupling partners was developed. This methodology provides a facile route for C(sp2)-C(sp3) bond formation in a straightforward fashion by successful suppression of the undesired β-hydride elimination process. By simply switching the phosphorus ligand, the ester substrates are converted into the alkylated arenes and ketone products, respectively. The utility of this newly developed protocol was demonstrated by its wide substrate scope, broad functional group tolerance and application in the synthesis of key intermediates for the synthesis of bioactive compounds. DFT studies on the oxidative addition step helped rationalizing this intriguing reaction chemoselectivity: whereas nickel complexes with bidentate ligands favor the C(aryl)-C bond cleavage in the oxidative addition step leading to the alkylated product via a decarbonylative process, nickel complexes with monodentate phosphorus ligands favor activation of the C(acyl)-O bond, which later generates the ketone product.
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Affiliation(s)
- Adisak Chatupheeraphat
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , 52074 Aachen , Germany
| | - Hsuan-Hung Liao
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , 52074 Aachen , Germany
| | - Watchara Srimontree
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , 52074 Aachen , Germany
| | - Lin Guo
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , 52074 Aachen , Germany
| | - Yury Minenkov
- King Abdullah University of Science and Technology (KAUST) , KAUST Catalysis Center (KCC) , Thuwal 23955-6900 , Saudi Arabia
| | - Albert Poater
- King Abdullah University of Science and Technology (KAUST) , KAUST Catalysis Center (KCC) , Thuwal 23955-6900 , Saudi Arabia.,Institut de Química Computacional i Catàlisi and Departament de Química , Universitat de Girona , Campus Montilivi , 17003 Girona, Catalonia , Spain
| | - Luigi Cavallo
- King Abdullah University of Science and Technology (KAUST) , KAUST Catalysis Center (KCC) , Thuwal 23955-6900 , Saudi Arabia
| | - Magnus Rueping
- Institute of Organic Chemistry , RWTH Aachen University , Landoltweg 1 , 52074 Aachen , Germany.,King Abdullah University of Science and Technology (KAUST) , KAUST Catalysis Center (KCC) , Thuwal 23955-6900 , Saudi Arabia
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