Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 38, Pages 10209-10212Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201404579
Keywords
alkenes; alkynes; C-H activation; cobalt; cyclization
Categories
Funding
- Welch Foundation [E-1571]
- NIGMS [R01GM077635]
- Camille and Henry Dreyfus Foundation
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A method for cobalt-catalyzed, aminoquinoline-and picolinamide-directed C(sp(2))-H bond alkenylation by alkynes was developed. The method shows excellent functional-group tolerance and both internal and terminal alkynes are competent substrates for the coupling. The reaction employs a Co(OAc)(2)center dot 4H(2)O catalyst, Mn(OAc)(2) co-catalyst, and oxygen (from air) as a terminal oxidant.
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