1
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Patra J, Nair AM, Volla CMR. Expedient radical phosphonylations via ligand to metal charge transfer on bismuth. Chem Sci 2024; 15:7136-7143. [PMID: 38756813 PMCID: PMC11095378 DOI: 10.1039/d4sc00692e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/08/2024] [Indexed: 05/18/2024] Open
Abstract
Bismuth, in spite of its low cost and low toxicity, has found limited application in organic synthesis. Although the photoactivity of Bi(iii) salts has been well studied, this has not been effectively exploited in photocatalysis. To date, only a single report exists for the Bi-based photocatalysis, wherein carbon centered radicals were generated using ligand to metal charge transfer (LMCT) on bismuth. In this regard, expanding the horizon of bismuth LMCT catalysis for the generation of heteroatom centered radicals, we hereby report an efficient radical phosphonylation using BiCl3 as the LMCT catalyst. Phosphonyl radicals generated via visible-light induced LMCT of BiCl3 were subjected to a variety of transformations like alkylation, amination, alkynylation and cascade cyclizations. The catalytic system tolerated a wide range of substrate classes, delivering excellent yields of the scaffolds. The reactions were scalable and required low catalytic loading of bismuth. Detailed mechanistic studies were carried out to probe the reaction mechanism. Diverse radical phosphonylations leading to the formation of sp3-C-P, sp2-C-P, sp-C-P, and P-N bonds in the current work present the candidacy of bismuth as a versatile photocatalyst for small molecule activation.
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Affiliation(s)
- Jatin Patra
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Akshay M Nair
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Chandra M R Volla
- Department of Chemistry, Indian Institute of Technology Bombay Powai Mumbai 400076 India
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2
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Zhang M, Zhao W, Ma J, Li J, Meng Q, Shen C, Zeng X. Syn-Selective Chlorosulfonylation of Alkynes via a Copper-Powder-Initiated Atom Transfer Radical Addition Reaction and Mechanistic Studies. Org Lett 2023; 25:231-235. [PMID: 36562571 DOI: 10.1021/acs.orglett.2c04074] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Copper-powder-catalyzed syn-selective chlorosulfonylation of readily available alkynes by an atom transfer radical addition (ATAR) process has been developed, providing straightforward access to a broad range of (Z)-β-chlorovinylsulfones in good yields under mild conditions. In addition, this method is ligand-free and features excellent stereoselectivity and high atom economy. Moreover, the product was obtained without an apparent loss of yield when the reaction was performed on the gram scale at a low catalyst loading. In this reaction, the copper powder not only acts as a sulfone radical initiator but also produces the catalytically active CuCl species. Mechanistic investigations and DFT calculation studies revealed that the stereoselectivity is controlled by the thermodynamic stabilities of the in situ-generated cyclic alkenyl CuII complex intermediate, which can serve as a chlorine atom transfer agent.
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Affiliation(s)
- Meiqi Zhang
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
| | - Weizhe Zhao
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
| | - Jiamin Ma
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
| | - Jiaoxiong Li
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
| | - Qiansen Meng
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
| | - Chengshuo Shen
- Department of Chemistry, Zhejiang Sci-Tech University, Xiasha Campus, Hangzhou 310018, P. R. China
| | - Xianghua Zeng
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, P. R. China
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3
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Saha A, Ghosh A, Guin S, Panda S, Mal DK, Majumdar A, Akita M, Maiti D. Substrate‐Rhodium Cooperativity in Photoinduced
ortho
‐Alkynylation of Arenes. Angew Chem Int Ed Engl 2022; 61:e202210492. [DOI: 10.1002/anie.202210492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Argha Saha
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Animesh Ghosh
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Srimanta Guin
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Sanjib Panda
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Dibya Kanti Mal
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Abhirup Majumdar
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Munetaka Akita
- Tokyo Tech World Research Hub Initiative (WRHI) Laboratory for Chemistry and Life Science Tokyo Institute of Technology Tokyo Japan
| | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
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4
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Saha A, Ghosh A, Guin S, Panda S, Mal DK, Majumdar A, Akita M, Maiti D. Substrate‐Rhodium Cooperativity in Photoinduced ortho‐Alkynylation of Arenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Argha Saha
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Animesh Ghosh
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Srimanta Guin
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Sanjib Panda
- Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Dibya Kanti Mal
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Abhirup Majumdar
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Munetaka Akita
- Tokyo Institute of Technology Chemistry and Life Science JAPAN
| | - Debabrata Maiti
- Indian Institute of Technology-Bombay Department of Chemistry Powai 400076 Mumbai INDIA
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5
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Li GN, Li HC, Lu Z, Yu B. CuCl-photocatalyzed C-H amination of benzoxazoles. Org Biomol Chem 2022; 20:5125-5128. [PMID: 35704388 DOI: 10.1039/d2ob00687a] [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 direct coupling of benzoxazoles and amines was realized by visible light irradiation and CuCl catalysis. Various aminated benzoxazoles were successfully synthesized under mild conditions with air as an oxidant.
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Affiliation(s)
- Guan-Nan Li
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China. .,Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, China.
| | - Hao-Cong Li
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Zhan Lu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China. .,Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310058, China.
| | - Bing Yu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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6
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Zhang L, Wei C, Wu J, Liu D, Yao Y, Chen Z, Liu J, Yao CJ, Li D, Yang R, Xia Z. Photoinduced inverse Sonogashira coupling reaction. Chem Sci 2022; 13:7475-7481. [PMID: 35872819 PMCID: PMC9241966 DOI: 10.1039/d2sc01933g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 05/27/2022] [Indexed: 12/17/2022] Open
Abstract
A transition-metal and photocatalyst-free, photoinduced inverse Sonogashira coupling reaction was developed. Under visible-light irradiation, the excited state iodoalkyne acted as an “alkynyl radical synthetic equivalent”.
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Affiliation(s)
- Lizhu Zhang
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Cunbo Wei
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Jiawen Wu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Dan Liu
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Yinchao Yao
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Zhuo Chen
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Jianxun Liu
- School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Chang-Jiang Yao
- School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Dinghua Li
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Rongjie Yang
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Zhonghua Xia
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
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7
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Xu H, Ye R, Li Z, Han M, Meng L. Multicomponent Assembly of α,α‐Bis‐Sulfonyl Arylketones and Multiple Substituted Conjugated Dienes Induced by Visible‐Light Irradiation without Additives and Photocatalysts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Hailong Xu
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ruyi Ye
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ziyang Li
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Man‐Yi Han
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ling‐Guo Meng
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
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8
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Ye R, Ruan H, Xu H, Li Z, Meng LG, Wang L. Amino-assisted synthesis of alkynylthioethers via a visible-light-induced C (sp)–S II coupling between bromoalkynes and 2,2′-diaminodiaryldisulfides. Org Chem Front 2021. [DOI: 10.1039/d1qo01082d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A straightforward synthesis of alkynylthioethers via amino-assisted/visible-light-promoted coupling of bromoalkynes with 2,2′-diaminodiaryldisulfides without transition metals, photocatalysts and additives was developed.
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Affiliation(s)
- Ruyi Ye
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Hongjie Ruan
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Hailong Xu
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Ziyang Li
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Ling-Guo Meng
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lei Wang
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
- Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou, Zhejiang 318000, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P R China
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