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Wu L, Li L, Zhao Y, Rui J, Zhan Y, Zhang L, Chen R, Zhou JS, Zhu C, Wu X. Nonactivated Aziridine Synthesis by Intermolecular Polarity-Mismatched Carboamination of Unactivated Alkenes with Unactivated Alkyl Halides. Org Lett 2024; 26:5609-5613. [PMID: 38949378 DOI: 10.1021/acs.orglett.4c01224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
A general intermolecular polarity-mismatched carboamination reaction of unactivated alkenes with unactivated alkyl halides has been developed. A series of nonactivated alkyl-substituted aziridines were constructed in exclusive regioselectivity. The dual polarity-mismatched mechanism might be involved.
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Affiliation(s)
- Linlin Wu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Lei Li
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yao Zhao
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jiacheng Rui
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ying Zhan
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ling Zhang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Rizhi Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jianrong Steve Zhou
- State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Chenjie Zhu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xiaojin Wu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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Halford-McGuff JM, Varga M, Cordes DB, McKay AP, Watson AJB. Modular Synthesis of Complex Benzoxaboraheterocycles through Chelation-Assisted Rh-Catalyzed [2 + 2 + 2] Cycloaddition. ACS Catal 2024; 14:1846-1854. [PMID: 38327642 PMCID: PMC10845118 DOI: 10.1021/acscatal.3c05766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 02/09/2024]
Abstract
Benzoxaboraheterocycles (BOBs) are moieties of increasing interest in the pharmaceutical industry; however, the synthesis of these compounds is often difficult or impractical due to the sensitivity of the boron moiety, the requirement for metalation-borylation protocols, and lengthy syntheses. We report a straightforward, modular approach that enables access to complex examples of the BOB framework through a Rh-catalyzed [2 + 2 + 2] cycloaddition using MIDA-protected alkyne boronic acids. The key to the development of this methodology was overcoming the steric barrier to catalysis by leveraging chelation assistance. We show the utility of the method through synthesis of a broad range of BOB scaffolds, mechanistic information on the chelation effect, intramolecular alcohol-assisted BMIDA hydrolysis, and linear/cyclic BOB limits as well as comparative binding affinities of the product BOB frameworks for ribose-derived biomolecules.
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Affiliation(s)
- John M. Halford-McGuff
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Marek Varga
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - David B. Cordes
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Aidan P. McKay
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
| | - Allan J. B. Watson
- EaStCHEM, School of Chemistry, University of St Andrews, North Haugh, St Andrews KY16 9ST, U.K.
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Li Q, Zhu ZQ, Zhang WY, Le ZG, Xie ZB. Visible-light-induced decarboxylative cascade cyclization of acryloylbenzamides with N-hydroxyphthalimide esters via EDA complexes. Org Biomol Chem 2024; 22:965-969. [PMID: 38205855 DOI: 10.1039/d3ob01970e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
A visible-light-induced decarboxylative cascade reaction of acryloylbenzamides with alkyl N-hydroxyphthalimide (NHP) esters for the synthesis of various 4-alkyl isoquinolinediones mediated by triphenylphosphine (PPh3) and sodium iodide (NaI) was developed. This operationally simple protocol proceeded via the photoactivation of electron donor-acceptor (EDA) complexes between N-hydroxyphthalimide esters and NaI/PPh3, resulting in multiple carbon-carbon bond formations without the use of precious metal complexes or synthetically elaborate organic dyes, which provided an alternative practical approach to synthesize diverse isoquinoline-1,3(2H,4H)-dione derivatives.
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Affiliation(s)
- Qing Li
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry and Material Science, East China University of Technology, Nanchang, 330013, Jiangxi, China.
| | - Zhi-Qiang Zhu
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry and Material Science, East China University of Technology, Nanchang, 330013, Jiangxi, China.
| | - Wen-Yi Zhang
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry and Material Science, East China University of Technology, Nanchang, 330013, Jiangxi, China.
| | - Zhang-Gao Le
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry and Material Science, East China University of Technology, Nanchang, 330013, Jiangxi, China.
| | - Zong-Bo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry, School of Chemistry and Material Science, East China University of Technology, Nanchang, 330013, Jiangxi, China.
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Feng YL, Zhang BW, Xu Y, Jin S, Mazzarella D, Cao ZY. The reactivity of alkenyl boron reagents in catalytic reactions: recent advances and perspectives. Org Chem Front 2024; 11:7249-7277. [DOI: 10.1039/d4qo01703j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2025]
Abstract
Recent advances focusing on novel reactivity of alkenyl boron reagents in polar or radical pathways within catalytic reactions by employing transition metal catalysis, organocatalysis have been summarized and discussed.
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Affiliation(s)
- Ya-Li Feng
- Engineering Research Center for Water Environment and Health of Henan, Zhengzhou University of Industrial Technology, Zhengzhou 451150, China
- Faculty of Biology and Chemistry, Arabaev Kyrgyz State University, Bishkek 720026, Kyrgyzstan
| | - Bo-Wen Zhang
- Engineering Research Center for Water Environment and Health of Henan, Zhengzhou University of Industrial Technology, Zhengzhou 451150, China
- Faculty of Biology and Chemistry, Arabaev Kyrgyz State University, Bishkek 720026, Kyrgyzstan
| | - Youzhi Xu
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Shengnan Jin
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
| | - Daniele Mazzarella
- Department of Chemical Sciences, University of Padova, Via Francesco Marzolo 1, 35131, Padova, Italy
| | - Zhong-Yan Cao
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, P. R. China
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