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Hydrolyzed octadecyltrichlorosilane functionalized with amino acids as heterogeneous enantioselective catalysts

Nur, Hadi and Wei, Lim Kheng and Endud, Salasiah (2009) Hydrolyzed octadecyltrichlorosilane functionalized with amino acids as heterogeneous enantioselective catalysts. Reaction Kinetics and Catalysis Letters, 98 (1). pp. 157-164. ISSN 0133-1736

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Official URL: http://dx.doi.org/10.1007/s11144-009-0056-7

Abstract

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.

Item Type:Article
Uncontrolled Keywords:amino acid as chiral promoter, asymmetric hydration of epoxycyclohexene, heterogeneous asymmetric catalysts
Subjects:Q Science > QD Chemistry
Divisions:Science
ID Code:14913
Deposited By: Ms Zalinda Shuratman
Deposited On:30 Sep 2011 15:12
Last Modified:30 Sep 2011 15:12

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