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An [(NHC)(NHCEWG)RuCl2(CHPh)] Complex for the Efficient Formation of Sterically Hindered Olefins by Ring-Closing Metathesis

✍ Scribed by Tim Vorfalt; Steffen Leuthäußer; Herbert Plenio

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 323 KB
Volume: 48
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.200900935

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✦ Synopsis

Abstract

NHC with EWGs for RCM: Ruthenium complexes with two N‐heterocyclic carbenes (NHCs), one of them substituted with electron‐withdrawing groups (EWGs), are highly efficient (pre)catalysts for the synthesis of tetrasubstituted olefins and trisubstituted olefins by ring‐closing metathesis reactions (RCM, see scheme).magnified image

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