Visible-Light-Initiated Na2-Eosin Y Catalyzed Highly Regio- and Stereoselective Difunctionalization of Alkynes with Alkyl Bromides

JOURNAL OF ORGANIC CHEMISTRY(2016)

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摘要
A highly regioselective and stereoselective addition of alkyl bromides (amino-brominated aromatic beta,beta-dicyanoalkenes) to arylacetylenes by photoredox catalysis was developed. This difunctionalization of arylacetylenes was accomplished under ambient and metal-free conditions to produce alkenyl bromides in high efficiency with a wide range of group tolerance.
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