A NEW EFFICIENT PROTOCOL FOR THE PREPARATION OF CHIRAL BISPHOSPHINES OF THE BICP FAMILY

Author: Genov Daniel  

Publisher: Taylor & Francis Ltd

ISSN: 1042-6507

Source: Phosphorus, Sulfur, and Silicon and the Related Elements, Vol.179, Iss.10, 2004-10, pp. : 1949-1958

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Abstract

A new procedure for the synthesis of chiral BICP ligands is described. The protocol involves the reaction of sodium diarylphosphide–borane complex with chiral 2,2′-bisbenzenesulfonyl-1,1′-dicyclopentane in toluene, followed by HBF4·OMe2-mediated BH3decomplexation.