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Hydrolyzed octadecyltrichlorosilane functionalized with amino acids as heterogeneous enantioselective catalysts

Heterogeneous asymmetric catalysts using amino acids as chiral promoter were synthesized by attachment of amino acids such as l-glutamic acid and l-phenylalanine onto the hydrophilic part of hydrolyzed octadecyltrichlorosilane (OTS). The catalysts exhibited 12–18% enantiomeric excess (ee) for the asymmetric hydration of epoxycyclohexene to yield (1R,2R)-trans-1,2-cyclohexanediol and (1S,2S)-trans-1,2-cyclohexanediol.

Authors:   Hadi Nur, Lim Kheng Wei, Salasiah Endud
Journal:   Reaction Kinetics and Catalysis Letters
Year:   2009
DOI:   10.1007/s11144-009-0056-7
Publication date:   03-Sep-2009
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