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Elemental Sulfur-Promoted Benzoxazole/Benzothiazole Formation Using a C=C Double Bond as a One-Carbon Donator

Jun Zhang, Liang Hu, Yafei Liu, Yurong Zhang, Xuecheng Chen, Yue Luo, Yalan Peng, Shiqing Han* and Bin Pan*

*Nanjing Tech University, Nanjing 211816; Weifang University of Science and Technology, Shouguang 262799, China, Email: hanshiqingnjtech.edu.cn, bpanwfust.edu.cn

J. Zhang, L. Hu, Y. Liu, Y. Zhang, X. Chen, Y. Luo, Y. Peng, S. Han, B. Pan, J. Org. Chem., 2021, 86, 14485-14492.

DOI: 10.1021/acs.joc.1c01357



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Abstract

An efficient oxidative cyclization of 2-aminophenols or 2-iodoanilines with alkenes provides diverse benzoxazoles/benzothiazoles in good yields in the presence of elemental sulfur.


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Key Words

benzoxazoles, benzothiazoles


ID: J42-Y2021