1
|
Wang J, Yu R, Nian C, Liao M, Han Z, Sun J, Huang H. Metal-Free C(sp 3)-H Bond Arylation of 3-Methylindole Derivatives via 3-Indole Imine Methides. Org Lett 2023; 25:8478-8483. [PMID: 37966338 DOI: 10.1021/acs.orglett.3c03406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Direct arylation of the benzylic C(sp3)-H bond is one of the most straightforward strategies for the construction of multi-aryl methanes, owing to the extraordinary step and atom economy. In this paper, we developed the first metal-free arylation of the C(sp3)-H bond in 3-methylindoles, thereby providing rapid access to a range of diaryl- and triarylmethanes with two indole rings. Mechanistically, 3-indole imine methide serves as the key intermediate. Water plays a crucial role in this process, likely serving as a proton shuttle to facilitate the key 1,3-proton transfer step in this reaction and, thus, enhance the reaction efficiency.
Collapse
Affiliation(s)
- Jie Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Run Yu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Cuicui Nian
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Maoyan Liao
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Zhengyu Han
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Jianwei Sun
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay Kowloon, Hong Kong Special Administrative Region of the People's Republic of China
| | - Hai Huang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| |
Collapse
|
2
|
Kurosawa MB, Kato K, Muto K, Yamaguchi J. Unified synthesis of multiply arylated alkanes by catalytic deoxygenative transformation of diarylketones. Chem Sci 2022; 13:10743-10751. [PMID: 36320688 PMCID: PMC9491083 DOI: 10.1039/d2sc03720c] [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: 07/04/2022] [Accepted: 08/19/2022] [Indexed: 11/23/2022] Open
Abstract
A deoxygenative transformation of diarylketones leading to multiply arylated alkanes was developed. Diarylketones were reacted with diphenylphosphine oxide resulting in a phospha-Brook rearrangement, followed by palladium-catalyzed cross-couplings or a Friedel-Crafts type alkylation to afford the corresponding multiply arylated alkanes. A variety of diarylketones can be converted to multiply arylated alkanes such as diarylmethanes, tetraarylethanes, and triarylmethanes by reduction, dimerization, and arylation in one pot. Furthermore, a one-pot conversion from arylcarboxylic acids to diarylmethanes and tetraarylethanes, and a synthesis of tetraarylmethane and triphenylethane using sequential coupling reactions are also presented.
Collapse
Affiliation(s)
- Miki B Kurosawa
- Department of Applied Chemistry, Waseda University 513 Wasedatsurumakicho Shinjuku Tokyo 162-0041 Japan
| | - Kenta Kato
- Department of Applied Chemistry, Waseda University 513 Wasedatsurumakicho Shinjuku Tokyo 162-0041 Japan
| | - Kei Muto
- Waseda Institute for Advanced Study, Waseda University 513 Wasedatsurumakicho Shinjuku Tokyo 162-0041 Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University 513 Wasedatsurumakicho Shinjuku Tokyo 162-0041 Japan
| |
Collapse
|
3
|
Li Y, Wu W, Zhu H, Kang Q, Xu L, Shi H. Rhodium‐Catalyzed Benzylic Addition Reactions of Alkylarenes to Michael Acceptors. Angew Chem Int Ed Engl 2022; 61:e202207917. [DOI: 10.1002/anie.202207917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Yuntong Li
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Wen‐Qiang Wu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Hui Zhu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Qi‐Kai Kang
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Lun Xu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Hang Shi
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
- Institute of Natural Sciences Westlake Institute for Advanced Study 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| |
Collapse
|
4
|
Li Y, Wu W, Zhu H, Kang Q, Xu L, Shi H. Rhodium‐Catalyzed Benzylic Addition Reactions of Alkylarenes to Michael Acceptors. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuntong Li
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Wen‐Qiang Wu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Hui Zhu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Qi‐Kai Kang
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Lun Xu
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| | - Hang Shi
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province Department of Chemistry School of Science Westlake University 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
- Institute of Natural Sciences Westlake Institute for Advanced Study 18 Shilongshan Road Hangzhou 310024, Zhejiang Province China
| |
Collapse
|
5
|
Xu G, Gao P, Colacot TJ. Tunable Unsymmetrical Ferrocene Ligands Bearing a Bulky Di-1-adamantylphosphino Motif for Many Kinds of C sp2–C sp3 Couplings. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00352] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Guolin Xu
- Research and Development, Life Science Chemistry, MilliporeSigma, 6000 N. Teutonia Avenue, Milwaukee, Wisconsin 53209, United States
| | - Peng Gao
- Research and Development, Life Science Chemistry, MilliporeSigma, 6000 N. Teutonia Avenue, Milwaukee, Wisconsin 53209, United States
| | - Thomas J. Colacot
- Research and Development, Life Science Chemistry, MilliporeSigma, 6000 N. Teutonia Avenue, Milwaukee, Wisconsin 53209, United States
| |
Collapse
|