Authors
David Guieysse, Georgina Sandoval, Laeticia Faure, Jean-Marc Nicaud, Pierre Monsan, Alain Marty
Publication date
2004/11/15
Journal
Tetrahedron: Asymmetry
Volume
15
Issue
22
Pages
3539-3543
Publisher
Pergamon
Description
A new extracellular lipase (Lip2p) from the yeast Yarrowia lipolytica was used for the resolution of 2-bromo-arylacetic acid esters, an important class of chemical intermediates for the pharmaceutical industry. Its efficiency for the transesterification of racemic mixtures with 1-octanol in n-octane was compared with the most efficient lipases described to date, lipases from Burkholderia cepacia and Rhizomucor miehei. Resolution of 2-bromo-p-tolylacetic acid ethyl ester catalyzed by Y. lipolytica lipase showed an enantiopreference of 28, almost equal to that obtained with B. cepacia lipase (E=30). Moreover, Y. lipolytica lipase presents a higher catalytic activity and an (S)-enantiopreference, while B. cepacia lipase is (R)-enantiomer selective. The most interesting result is that Y. lipolytica lipase has until now been the only enzyme able to catalyze the resolution of 2-bromo-o-tolylacetic acid ethyl ester (E=27).
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