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Enantioselective N-heterocyclic Carbene Catalyzed Annulation Reactions with Imidazolidinones

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Specialty Chemistry
Date 2013 Nov 20
PMID 24249661
Citations 10
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Abstract

Add acetic acid: A highly stereoselective N-heterocyclic carbene (NHC)-catalyzed formal [4+2] annulation between α,β-unsaturated aldehydes and imidazolidinones for the synthesis of imidazoles has been developed. Acetic acid serves as a key additive to achieve high chemoselectivity for the formal [4+2] annulation product.

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