期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 52, 页码 23603-23608出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202010801
关键词
alkenes; cupric chloride; dichlorination; LMCT; photoredox
资金
- NSFC [21971175, 21572148]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
This work demonstrates photoredox vicinal dichlorination of alkenes, based on the homolysis of CuCl2 in response to irradiation with visible light. This catalysis proceeds via a ligand to metal charge transfer process and provides an exciting opportunity for the synthesis of 1,2-dichloride compounds using an inexpensive, low-molecular-weight chlorine source. This new process exhibits a wide substrate scope, excellent functional group tolerance, extraordinarily mild conditions and does not require external ligands. Mechanistic studies show that the ready formation of chlorine atom radicals is responsible for the facile formation of C-Cl bonds in this synthetic process.
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