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Wiley-VCH Verlag, ChemInform, 10(36), 2005

DOI: 10.1002/chin.200510076

Elsevier, Tetrahedron: Asymmetry, 22(15), p. 3539-3543

DOI: 10.1016/j.tetasy.2004.09.008

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New Efficient Lipase from Yarrowia lipolytica for the Resolution of 2-Bromo-arylacetic Acid Esters.

This paper is available in a repository.
This paper is available in a repository.

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Abstract

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).