Chloroperoxidase can be microencapsulated in silica gel grown around the enzyme by sol-gel techniques. These materials can be usefully employed as catalysts for the asymmetric sulfoxidation of alky aryl sulfides with hydrogen peroxide, with high yields and ee's > 99%. The catalyst an be recycled up to three times without loss of activity and enantioselectivity.
Microencapsulated Chloroperoxidase as a Recyclable Catalyst for the Enantioselective Oxidation of Sulfides with Hydrogen Peroxide
TREVISAN, Valentina;SIGNORETTO, Michela;STRUKUL, Giorgio
2004-01-01
Abstract
Chloroperoxidase can be microencapsulated in silica gel grown around the enzyme by sol-gel techniques. These materials can be usefully employed as catalysts for the asymmetric sulfoxidation of alky aryl sulfides with hydrogen peroxide, with high yields and ee's > 99%. The catalyst an be recycled up to three times without loss of activity and enantioselectivity.
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