Sulfonated N-heterocyclic carbenes for Suzuki coupling in water.

Christoph Fleckenstein, Sutapa Roy, Steffen Leuthäusser, Herbert Plenio

Index: Chem. Commun. (Camb.) , 2870, (2007)

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Abstract

Sulfonated, water-soluble imidazolium and imidazolinium salts were synthesized and the respective Pd-complexes with N,N'-bis(2,6-dialkyl-4-SO(3)(-)-phenyl)imidazol-2-ylidene and N,N'-bis(2,6-dialkyl-4-SO(3)(-)-phenyl)-4,5-dihydroimidazol-2-ylidene ligands were applied in aqueous Suzuki coupling reactions of aryl chlorides.