Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21731
Title: Copper-dipyridylphosphine-polymethylhydrosiloxane : a practical and effective system for the asymmetric catalytic hydrosilylation of ketones
Authors: Zhang, XC
Wu, FF
Li, S
Zhou, JN
Wu, J
Li, N
Fang, W
Lam, KH
Chan, ASC
Keywords: asymmetric catalysis
copper
dipyridylphosphine ligands
hydrosilylation
ketones
polymethylhydrosiloxane
Issue Date: 2011
Publisher: Wiley-VCH
Source: Advanced synthesis & catalysis, 2011, v. 353, no. 9, p. 1457-1462 How to cite?
Journal: Advanced synthesis & catalysis 
Abstract: In the presence of the inexpensive and non-toxic stoichiometric reductant polymethylhydrosiloxane (PMHS), the chiral copper(II)-dipyridylphosphine catalyst displayed high efficiency in the stereoselective hydrosilylation of a wide scope of aryl alkyl and heteroaromatic ketones under an air atmosphere and mild conditions in good to excellent ees (up to 97%). With certain amounts of sodium tert-butoxide and tert-butyl alcohol as additives, the reaction on a 21-g substrate scale can be conveniently completed within a few hours even at a substrate-to-ligand (S/L) ratio of 50,000.
URI: http://hdl.handle.net/10397/21731
ISSN: 1615-4150
EISSN: 1615-4169
DOI: 10.1002/adsc.201100105
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