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The dynamic kinetic resolution of racemic mixtures of tropic acid ethyl ester under substrate racemizing conditions was studied using lipase PS with a ruthenium catalyst. Isopropenyl acetate was used as an acyl donor, since it was found to be compatible with both catalysts; this resulted in an efficient dynamic kinetic resolution. With this process, a variety of racemic tropic acid ethyl esters were...
The first kinetic resolution of tropic acid ethyl ester (TAEE) with lipase PS and vinyl acetate as an acylating agent is reported. The resulting (S)-(−)-3-acetoxy tropic acid ethyl ester and (R)-(+)-tropic acid ethyl ester are produced in high yields and in excellent ee (87–94%). The method has been extended to resolve a variety of tropic acid ester derivatives. In addition, an improved method for...
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