Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 58, Issue 5, Pages 1499-1503Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201812927
Keywords
alcohols; C-H activation; fluorine; photocatalysis; radicals
Categories
Funding
- National Natural Science Foundation of China [21722205]
- Project of Scientific and Technologic Infrastructure of Suzhou [SZS201708]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Regioselective incorporation of a particular functional group into aliphatic sites by direct activation of unreactive C-H bonds is of great synthetic value. Despite advances in radical-mediated functionalization of C(sp(3))-H bonds by a hydrogen-atom transfer process, the site-selective vinylation of remote C(sp(3))-H bonds still remains underexplored. Reported herein is a new protocol for the regioselective vinylation of unactivated C(sp(3))-H bonds. The remote C(sp(3))-H activation is promoted by a C-centered radical instead of the commonly used N and O radicals. The reaction possesses high product diversity and synthetic efficiency, furnishing a plethora of synthetically valuable E alkenes bearing tri-/di-/mono-fluoromethyl and perfluoroalkyl groups.
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