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Nonami R, Kishino Y, Yamasaki T, Kanemoto K, Iwai K, Nishiwaki N, Shibatomi K, Shirai T. Cationic Iridium-Catalyzed Decarboxylation of Aromatic Carboxylic Acids. Chem Asian J 2023; 18:e202300533. [PMID: 37464542 DOI: 10.1002/asia.202300533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/14/2023] [Accepted: 07/18/2023] [Indexed: 07/20/2023]
Abstract
Practical synthetic applications of catalytic decarboxylation in producing useful molecules are limited. We report herein the cationic Ir-catalyzed decarboxylations of various electron-rich and -poor aromatic carboxylic acids to produce hydrocarbons in good yield (up to >99%). Additionally, this reaction is applicable in decarboxylative hydroarylation of bicyclic alkenes and decarboxylative fluorination, indicating the potential utility of this catalytic decarboxylation in synthetic chemistry.
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Affiliation(s)
- Reina Nonami
- Department of Social Design Engineering, National Institute of Technology, Kochi College, 200-1 Monobe Otsu, Nankoku, Kochi, 783-8508, Japan
| | - Yu Kishino
- Department of Social Design Engineering, National Institute of Technology, Kochi College, 200-1 Monobe Otsu, Nankoku, Kochi, 783-8508, Japan
| | - Tomokazu Yamasaki
- Department of Social Design Engineering, National Institute of Technology, Kochi College, 200-1 Monobe Otsu, Nankoku, Kochi, 783-8508, Japan
| | - Kazuya Kanemoto
- Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, 980-8578, Japan
| | - Kento Iwai
- School of Engineering Science, Kochi University of Technology, Tosayamada, Kami, Kochi, 782-8502, Japan
| | - Nagatoshi Nishiwaki
- School of Engineering Science, Kochi University of Technology, Tosayamada, Kami, Kochi, 782-8502, Japan
| | - Kazutaka Shibatomi
- Department of Applied Chemistry and Life Science, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Tomohiko Shirai
- Department of Social Design Engineering, National Institute of Technology, Kochi College, 200-1 Monobe Otsu, Nankoku, Kochi, 783-8508, Japan
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Chen LY, Li J. Skeletal Editing of Dibenzolactones to Fluorenes via Ni- or Pd-Catalyzed Decarboxylation. J Org Chem 2023; 88:10252-10256. [PMID: 37406152 PMCID: PMC10528846 DOI: 10.1021/acs.joc.3c00700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
The skeletal editing of dibenzolactones to fluorenes by Ni- or Pd-catalyzed decarboxylation is reported. In contrast to previously reported intramolecular decarboxylative couplings, inductively electron-withdrawing ortho substituents on the aryl carboxylate moiety and metal additives are not required. The decarboxylation reaction proceeds cleanly and can be applied to the skeletal editing of a natural product analogue. Mechanistic observations are consistent with stabilization of the carboxylate-ligated Ni complex over the Ni-carboxylate ion pair, which is the key factor in promoting the challenging decarboxylation step in the catalytic cycle.
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Affiliation(s)
- Liang-Yu Chen
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Junqi Li
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
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Wang F, Han Y, Yu L, Zhu D. Decarboxylative Amination of Benzoic Acids Bearing Electron-Donating Substituents and Non-Activated Amines. Org Chem Front 2022. [DOI: 10.1039/d2qo00453d] [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
Efficient methods for decarboxylative activation of benzoic acids into great valuable products are highly sought after. Here we report a highly desirable and straightforward decarboxylative amination of readily available benzoic...
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