Carbohydrate-based N-heterocyclic carbenes for enantioselective catalysis?

Organic & Biomolecular Chemistry Pub Date: 2014-09-30 DOI: 10.1039/C4OB02056A

Abstract

Versatile syntheses of C2-linked and C2-symmetric carbohydrate-based imidazol(in)ium salts from functionalised amino-carbohydrate derivatives are reported. The novel NHCs were ligated to [Rh(COD)Cl]2 and evaluated in Rh-catalysed asymmetric hydrosilylation of ketones with good yields and promising enantioselectivities.

Graphical abstract: Carbohydrate-based N-heterocyclic carbenes for enantioselective catalysis
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