Journal
ACS CATALYSIS
Volume 8, Issue 9, Pages 8237-8243Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.8b02194
Keywords
radical; alkyne difunctionalization; vinylsulfone; gold; photoredox
Categories
Funding
- Natural Science Foundation of China [21572118]
- Shandong University
- [104.205.2.5]
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An efficient intermolecular atom-transfer addition reaction of alkynes via the combination of visible-light photoredox catalysis and gold catalysis has been developed, affording diverse trifluoromethylthio- and difluoromethylthio-functionalized vinylsulfones with high stereoselectivity in good yields. Thiosulfonylation reaction of enyne can also be realized for constructing functionalized carbo- and hetero-cycles through a radical cascade cyclization process. These reactions proceed through a gold-assisted sulfonyl radical addition pathway.
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