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Efficient Synthesis of Biaryls through the Kumada Reaction Catalyzed by Carbene Adducts of Cyclopalladated Ferrocenylimine

✍ Scribed by Gerui Ren; Xiuling Cui; Yangjie Wu

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 258 KB
Volume: 2010
Category: Article
ISSN: 1434-193X
DOI: 10.1002/ejoc.200901495

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✦ Synopsis

Abstract

A series of carbene adducts of cyclopalladated ferrocenylimine were prepared and evaluated in the cross‐coupling reaction of aryl halides with Grignard reagents (the Kumada reaction). Complex d exhibited high catalytic activity for the coupling of aryl chlorides with sterically hindered Grignard reagents and the reaction tolerated various functional groups. A wide range of biaryls were efficiently obtained in good to excellent yields in the presence of 0.5 mol‐% catalyst under mild reaction conditions.

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