1
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Lv C, Zhao R, Wang X, Liu D, Muschin T, Sun Z, Bai C, Bao A, Bao YS. Copper-Catalyzed Transamidation of Unactivated Secondary Amides via C-H and C-N Bond Simultaneous Activations. J Org Chem 2023; 88:2140-2157. [PMID: 36701175 DOI: 10.1021/acs.joc.2c02551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Here, we demonstrate that α-C-H and C-N bonds of unactivated secondary amides can be activated simultaneously by the copper catalyst to synthesize α-ketoamides or α-ketoesters in one step, which is a challenging and underdeveloped transformation. Using copper as a catalyst and air as an oxidant, the reaction is compatible with a broad range of acetoamides, amines, and alcohols. The preliminary mechanism studies and density functional theory calculation indicated that the reaction process may undergo first radical α-oxygenation and then transamidation with the help of the resonant six-membered N,O-chelation and molecular oxygen plays a role as an initiator to trigger the transamidation process. The combination of chelation assistance and dioxygen selective oxygenation strategy would substantially extend the modern mild synthetic amide cleavage toolbox, and we envision that this broadly applicable method will be of great interest in the biopharmaceutical industry, synthetic chemistry, and agrochemical industry.
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Affiliation(s)
- Cong Lv
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Ruisheng Zhao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Xiuying Wang
- Inner Mongolia Autonomous Region Animal Epidemic Prevention Center, Hohhot 010020, China
| | - Dan Liu
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Tegshi Muschin
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Zhaorigetu Sun
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010020, China
| | - Chaolumen Bai
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Agula Bao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
| | - Yong-Sheng Bao
- Inner Mongolia Key Laboratory of Green Catalysis, College of Chemistry and Environmental Science, Inner Mongolia Normal University, Hohhot 010022, China
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2
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Xu F, Zhang F, Wang W, Yao M, Lin X, Yang F, Qian Y, Chen Z. Iron(III)-catalyzed α-cyanation and carbonylation with 2-pyridylacetonitrile: divergent synthesis of α-amino nitriles and tetrahydroisoquinolinones. Org Biomol Chem 2022; 20:7031-7035. [PMID: 36018561 DOI: 10.1039/d2ob01199a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron-catalyzed oxidative synthesis of N-aryl-substituted tetrahydroisoquinolines (THIQs) toward tetrahydroisoquinoline-based derivatives is reported. A wide range of α-amino nitriles and tetrahydroisoquinolinones are synthesized in moderate to good yields. This approach involves a new organic nitrile source, a cheap iron catalyst under an oxygen atmosphere, and temperature-controlled divergent synthesis and features complete selectivity and operational simplicity.
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Affiliation(s)
- Fan Xu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Fanglian Zhang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Wenjia Wang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Mingxu Yao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Xing Lin
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Fang Yang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Yiping Qian
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
| | - Zhengwang Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou, 341000, China.
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3
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Metal-Free Catalysis in C-C Single-Bond Cleavage: Achievements and Prospects. Top Curr Chem (Cham) 2022; 380:38. [PMID: 35951267 DOI: 10.1007/s41061-022-00393-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/30/2022] [Indexed: 10/15/2022]
Abstract
This review article emphasizes the C-C bond cleavage in organic synthesis via metal-free approach. Conventional organic synthesis mainly deals with the reactive π bonds and polar σ bonds. In contrast, the ubiquitous C-C single bonds are inherently stable and are less reactive, which poses a challenge to synthetic chemists. Although inert, such C-C single-bond cleavage reactions have gained attention amongst synthetic chemists, as they provide unique and more straightforward routes, with significantly fewer steps. Several review articles have been reported regarding the activation and cleavage of C-C bonds using different transition metals. However, given the high cost and toxicity of many of these metals, the development of strategies under metal-free conditions is of utmost importance. Though many research articles have been published in this area, no review article has been reported so far. Herein, we discuss the reactions in a more concise way from the year 2012 to today, with emphasis on important reactions. Mechanisms of all the reactions are also well addressed. We believe that this review will be beneficial for the readers who work in this field.
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4
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Su F, Zhao Q, Wang M, Zhao M, Ren Y, Zhu B, Chen H, Lai M, Zhao M. A Convenient Esterification of
N
‐Heteroarene Methanols
via
C–CN Bond Cleavage of Benzoyl Cyanides as Acylating Sources. ChemistrySelect 2022. [DOI: 10.1002/slct.202104272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Fangyao Su
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Qianrui Zhao
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Mengzhuo Wang
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Mingzhang Zhao
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Yihe Ren
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Binghan Zhu
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Haoran Chen
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Miao Lai
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
| | - Mingqin Zhao
- Flavors and Fragrance Engineering & Technology Research Center of Henan Province College of Tobacco Science Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 P. R. China
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5
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Lai M, Su F, Hu J, Wang M, Zhao M, Zhang G. Synthesis of N-Heteroarenemethyl Esters via C–C Bond Cleavage of Acyl Cyanides Under Transition Metal-Free Conditions. Front Chem 2022; 9:822625. [PMID: 35155384 PMCID: PMC8828493 DOI: 10.3389/fchem.2021.822625] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/15/2021] [Indexed: 01/24/2023] Open
Abstract
A practical method to synthesize N-heteroaryl esters from N-heteroaryl methanols with acyl cyanides via C–C bond cleavage without using any transition metal is demonstrated here. The use of Na2CO3/15-crown-5 couple enables access to a series of N-heteroaryl esters in high efficiency. This protocol is operationally simple and highly environmentally benign producing only cyanides as byproducts.
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6
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Lv C, Liu D, Muschin T, Bai C, Bao A, Bao YS. From Amides to Urea Derivatives or Carbamates with Chemospecific C-C Bond Cleavage at Room Temperature. Org Chem Front 2022. [DOI: 10.1039/d1qo01922h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ureas and carbamates are common motifs in pharmaceuticals, agrochemicals, biologically active compounds and organocatalysis applications. Herein, we report a significant advance in this area and present the general method...
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7
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Tang C, Qiu X, Cheng Z, Jiao N. Molecular oxygen-mediated oxygenation reactions involving radicals. Chem Soc Rev 2021; 50:8067-8101. [PMID: 34095935 DOI: 10.1039/d1cs00242b] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Molecular oxygen as a green, non-toxic and inexpensive oxidant has displayed lots of advantages compared with other oxidants towards more selective, sustainable, and environmentally benign organic transformations. The oxygenation reactions which employ molecular oxygen or ambient air as both an oxidant and an oxygen source provide an efficient route to the synthesis of oxygen-containing compounds, and have been demonstrated in practical applications such as pharmaceutical synthesis and late-stage functionalization of complex molecules. This review article introduces the recent advances of radical processes in molecular oxygen-mediated oxygenation reactions. Reaction scopes, limitations and mechanisms are discussed based on reaction types and catalytic systems. Conclusions and perspectives are also given in the end.
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Affiliation(s)
- Conghui Tang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China.
| | - Xu Qiu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Zengrui Cheng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China.
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China. and State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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8
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Ando Y, Fukazawa T, Ohmori K, Suzuki K. Model Study toward Total Synthesis of Dimeric Pyranonaphthoquinones: Synthesis of Hemi-Actinorhodin. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yoshio Ando
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Takumi Fukazawa
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Ken Ohmori
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Keisuke Suzuki
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8551, Japan
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9
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Dong J, Chen X, Ji F, Liu L, Su L, Mo M, Tang J, Zhou Y. Copper‐mediated simple and direct aerobic oxidative esterification of arylacetonitriles with alcohols/phenols. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6073] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jianyu Dong
- Department of Educational Science Hunan First Normal University Changsha China
- College of Chemistry and Chemical Engineering Hunan University Changsha China
| | - Xiuling Chen
- College of Chemistry and Chemical Engineering Hunan University Changsha China
- Non‐power Nuclear Technology Collaborative Innovation Center, School of Nuclear Technology and Chemistry & Biology Hubei University of Science and Technology Xianning China
| | - Fangyan Ji
- College of Chemistry and Chemical Engineering Hunan University Changsha China
| | - Lixin Liu
- College of Chemistry and Chemical Engineering Hunan University Changsha China
| | - Lebin Su
- College of Chemistry and Chemical Engineering Hunan University Changsha China
| | - Min Mo
- Department of Educational Science Hunan First Normal University Changsha China
| | - Jian‐Sheng Tang
- Department of Educational Science Hunan First Normal University Changsha China
| | - Yongbo Zhou
- College of Chemistry and Chemical Engineering Hunan University Changsha China
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10
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Subaramanian M, Ramar PM, Rana J, Gupta VK, Balaraman E. Catalytic conversion of ketones to esters via C(O)-C bond cleavage under transition-metal free conditions. Chem Commun (Camb) 2020; 56:8143-8146. [PMID: 32691781 DOI: 10.1039/d0cc03312j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The catalytic conversion of ketones to esters via C(O)-C bond cleavage under transition-metal free conditions is reported. This catalytic process proceeds under solvent-free conditions and offers an easy operational procedure, broad substrate scope with excellent selectivity, and reaction scalability.
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Affiliation(s)
- Murugan Subaramanian
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India.
| | - Palmurukan M Ramar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India.
| | - Jagannath Rana
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India.
| | - Virendra Kumar Gupta
- Polymer Synthesis and Catalysis Group, Reliance Research and Development Center, Reliance Industries Limited, Ghansoli, Navi Mumbai 400701, India.
| | - Ekambaram Balaraman
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India.
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11
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Chen Z, Wen X, Zheng W, He R, Chen D, Cao D, Long L, Ye M. Acyl Cyanides as Bifunctional Reagent: Application in Copper-Catalyzed Cyanoamidation and Cyanoesterification Reaction. J Org Chem 2020; 85:5691-5701. [PMID: 32237749 DOI: 10.1021/acs.joc.9b03500] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Cu-catalyzed domino decyanation and cyanation reaction of acyl cyanides with amines or alcohols have been developed. The cyano sources were generated in situ via C-CN cleavage yielding the corresponding cyano substituted amides or esters in moderate to excellent yields. This approach features a cheap copper catalyst, domino decyanation and cyanation reaction, readily available starting materials, broad substrate scope, operational simplicity, and the potential for further transformation of the cyano group.
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Affiliation(s)
- Zhengwang Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Xiaowei Wen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Weiping Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Ruolan He
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Dou Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Dingsheng Cao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Lipeng Long
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Min Ye
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P. R. China
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12
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Chen G, Li B, Hu B, Zhang X, Fan X. FeCl3-catalyzed C-3 functionalization of imidazo[1,2-a]pyridines with diazoacetonitrile under oxidant- and ligand-free conditions. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151774] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Kavala V, Wang CY, Wang CC, Patil PB, Fang C, Kuo CW, Yao CF. Copper-catalysed synthesis of 3-hydroxyisoindolin-1-ones from benzylcyanide 2-iodobenzamides. Org Biomol Chem 2020; 18:988-998. [PMID: 31942895 DOI: 10.1039/c9ob02329a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An efficient one-pot two-step sequential reaction for the synthesis of biologically active 3-hydroxyisoindolin-1-one derivatives from 2-iodobenzamide derivatives and various substituted benzyl cyanides in the presence of CuCl and cesium carbonate in DMSO is reported. Furthermore, 3-hydroxyisoindolinone derivatives possessing bromo substituents were obtained from 2-iodobenzamide and 2-bromobenzyl cyanide substrates in two steps. Benzyl cyanide has been successfully used for the first time as a benzoyl synthon for the synthesis of 3-hydroxyisoindolin-1-ones. Interestingly, the mechanism of formation of 3-hydroxyisoindolin-1-ones is a novel pathway that involves carbon degradation followed by ring contraction.
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Affiliation(s)
- Veerababurao Kavala
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - Chen-Yu Wang
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - Cheng-Chuan Wang
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - Prakash Bhimrao Patil
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - ChiaChi Fang
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - Chun-Wei Kuo
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
| | - Ching-Fa Yao
- Department of Chemistry, National Taiwan Normal University, 88, Sec. 4, Ting-Zhou Road, Taipei-116, Taiwan, Republic of China.
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14
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Eisele P, Bauder M, Hsu SF, Plietker B. A Cyanide-Free Synthesis of Acylcyanides through Ru-Catalyzed C(sp 3)-H-Oxidation of Benzylic Nitriles. ChemistryOpen 2019; 8:689-691. [PMID: 31172005 PMCID: PMC6547944 DOI: 10.1002/open.201900130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Indexed: 12/12/2022] Open
Abstract
A practical method for generation of acylcyanides devoid of any external cyanide sources is presented that relies on a mild Ru‐catalyzed selective C−H‐oxidation of benzylic nitriles. The starting materials are smoothly generated through condensation of the corresponding carboxylic acid amides using silanes. The obtained acylcyanides can be employed in a plethora of transformation as exemplified to some larger extend in the sequence of C−H‐oxidation‐Tischenko‐rearrangement for the generation of structurally diverse benzoyloxycyanohydrines.
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Affiliation(s)
- Pascal Eisele
- Institute of Organic Chemistry University of Stuttgart Pfaffenwaldring 55 DE-70569 Stuttgart Germany
| | - Michael Bauder
- Institute of Organic Chemistry University of Stuttgart Pfaffenwaldring 55 DE-70569 Stuttgart Germany
| | - Shih-Fan Hsu
- Institute of Organic Chemistry University of Stuttgart Pfaffenwaldring 55 DE-70569 Stuttgart Germany
| | - Bernd Plietker
- Institute of Organic Chemistry University of Stuttgart Pfaffenwaldring 55 DE-70569 Stuttgart Germany
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15
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Liu B, Cheng L, Hu P, Xu F, Li D, Gu WJ, Han W. Iron-catalyzed oxidative C–C(vinyl) σ-bond cleavage of allylarenes to aryl aldehydes at room temperature with ambient air. Chem Commun (Camb) 2019; 55:4817-4820. [DOI: 10.1039/c9cc01995b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The iron-catalyzed C−C single bond cleavage and oxidation of allylarenes without the assistance of heteroatoms/directing groups to produce aryl aldehydes is disclosed.
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Affiliation(s)
- Binbin Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Lu Cheng
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Penghui Hu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Fangning Xu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Dan Li
- Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation
- School of Chemistry and Biological Engineering
- Changsha University of Science and Technology
- Changsha 410114
- China
| | - Wei-Jin Gu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
| | - Wei Han
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biofunctional Materials
- Key Laboratory of Applied Photochemistry
- School of Chemistry and Materials Science
- Nanjing Normal University
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16
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Nguyen TB, Lung JC. Iron-Catalyzed Sulfur-Promoted Decyanative Redox Condensation ofo-Nitrophenols and Arylacetonitriles: An Unprecedented Route to 2-Arylbenzoxazoles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701607] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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17
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Kumar Y, Jaiswal Y, Kumar A. Two-Step One-Pot Synthesis of Unsymmetrical (Hetero)Aryl 1,2-Diketones by Addition-Oxygenation of Potassium Aryltrifluoroborates to (Hetero)Arylacetonitriles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701625] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yogesh Kumar
- Department of Chemistry; Indian Institute of Technology Patna; 801103 Bihta Bihar India
| | - Yogesh Jaiswal
- Department of Chemistry; Indian Institute of Technology Patna; 801103 Bihta Bihar India
| | - Amit Kumar
- Department of Chemistry; Indian Institute of Technology Patna; 801103 Bihta Bihar India
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18
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Iron-catalyzed C C bond activation/C O bond formation: Direct conversion of ketones to esters. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.10.068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Affiliation(s)
- Eike B. Bauer
- University of Missouri - St. Louis; Department of Chemistry and Biochemistry; One University Boulevard St. Louis, MO 63121 USA
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20
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Chen X, Peng Y, Li Y, Wu M, Guo H, Wang J, Sun S. Cu-catalyzed aerobic oxidative C–CN bond cleavage of benzyl cyanide for the synthesis of primary amides. RSC Adv 2017. [DOI: 10.1039/c7ra02207g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cu-catalyzed oxidative amidation of benzyl cyanide for primary amides is successfully developed. Using readily available NH4Cl and Cu/O2 catalytic oxidation system offers new opportunities for C–CN bond cleavage and primary amides bond formation.
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Affiliation(s)
- Xiuling Chen
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Yanhong Peng
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Yan Li
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Minghu Wu
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Haibing Guo
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Jian Wang
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| | - Shaofa Sun
- Non-power Nuclear Technology Collaborative Innovation Center
- School of Nuclear Technology and Chemistry & Life Science
- Hubei University of Science and Technology
- Xianning 437100
- China
| |
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