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Efficient Suzuki–Miyaura Coupling Reactions between Lithium Alkynyltrimethylborates and Aryl Chlorides

✍ Scribed by Gloria Hernández Torres; Sabine Choppin; Françoise Colobert

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
111 KB
Volume
2006
Category
Article
ISSN
1434-193X

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✦ Synopsis

Abstract

The Pd‐catalysed alkynylation of alkynylboronic esters (generated in situ) with various aryl chlorides in the presence of Pd~2~(dba)~3~, the sterically hindered dihydroimidazolium salt 4 as the precatalyst and CsF is reported. Under these conditions, electron‐poor and electron‐rich aryl chlorides undergo efficient cross‐coupling reactions. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

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