Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 16, Pages 4545-4548Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201700413
Keywords
alkynes; olefins; photoredox catalysis; radicals; trifluoromethylation
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Funding
- National Natural Science Foundation of China [21402134]
- Natural Science Foundation of Jiangsu Province [BK20140306]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Disclosed herein is a novel, redox-neutral protocol for the visible-light-induced radical alkynylation of unactivated olefins. The intramolecular migration of an alkynyl group, by cleaving an inert C-C sigma bond, is realized for the first time. A wide range of synthetically useful trifluoroethylated linear alkynes are readily obtained under mild reaction conditions.
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