Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
 
Arylboration of Internal Alkynes by Cooperative Palladium/Copper Catalysis
Kazuhiko SembaMegumi YoshizawaYasuhiro OhtagakiYoshiaki Nakao
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2017 Volume 90 Issue 12 Pages 1340-1343

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Abstract

A versatile method for the arylboration of internal alkynes with aryl chlorides or bromides and bis(pinacolato)diboron has been developed. This method tolerates various functional groups, including acetyl, methoxycarbonyl, cyano, and fluoro substituents, and affords a range of tri-substituted vinylboronates, which are highly useful intermediates for the synthesis of tetra-substituted ethenes, in high yield and regioselectivity.

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© 2017 The Chemical Society of Japan
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