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Microwave-mediated Asymmetric Hydrogen Transfer by SBA-15-supported Ruthenium Catalyst  

Jin, Myung-Jong (Department of Chemical Engineering, Inha University)
Jun, In-Chul (Department of Cosmetics, JaiNeung College)
Publication Information
Korean Chemical Engineering Research / v.46, no.4, 2008 , pp. 752-755 More about this Journal
Abstract
Mesoporous SBA-15 silica-supported TsCHDA and TsDPEN ligands have been prepared by reaction of SBA-15 silica with (1R,2R)-N-(trimethoxysilylpropyl-N-sulfonyl)-1,2-cyclohaxanediamine or (1R,2R)-N-(trimethoxysilylpropyl-N-sulfonyl)-1,2-diphenylethylenediamine-1,2-diphenylethylenediamine, respectively. The Ru complexes exhibited excellent catalytic activity and satisfactory enantioselectivity in the asymmetric hydrogen transfer of ketones under microwave conditions. The heterogeneous Ru catalyst was reusable as well as air-stable to allow easy use. Microwave-assisted efficient procedure has been developed for asymmetric hydrogen transfer.
Keywords
SBA-15; Ru Complex; TsCHDA; Hydrogen Transfer; Microwave;
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