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Journal of Industrial and Engineering Chemistry, Vol.13, No.1, 159-162, January, 2007
Enantioselective Hydrolysis of Epichlorohydrin in Organic Solvents Using Recombinant Epoxide Hydrolase
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The enantioselective hydrolysis of racemic epichlorohydrin (ECH) leading to enantiopure (R)-ECH using recombinant epoxide hydrolase (EH) was successfully undertaken in organic solvents. The lyophilized recombinant whole-cell Pichia pastoris expressing the EH gene of Rhodotorula glutinis was used as the biocatalyst; n-dodecane containing 2.5 % (v/v) water was employed as the reaction medium to prevent the spontaneous chemical degradation of racemic ECH. Enantiopure (R)-epichlorohydrin (ECH) with 99 % ee was obtained from 20 mM of the racemate with a yield of 28.5 % in n-dodecane within 60 min.
Keywords:enantioselective hydrolysis;recombinant epoxide hydrolase;(R)-epichlorohydrin;organic solvent;Rhodotorula glutinis
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