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2005
Hydroxycarboxylic acids (ether carboxylic acids) and esters
Q 0450
Combination Strategy Using Pure Enzymes and Whole Cells as Biocatalysts for
Preparation of 2-Hydroxyesters and Lactones from 2-Oxoglutaric Acid. —
12- 089 the
The title compounds are prepared in two consecutive biocatalytic steps. The first step
involves the lipase catalyzed esterification of oxoglutaric acid (I). The second step involves the reduction of the resulting esters by use of fresh or freeze-dried yeast-like
cells of Mucor rouxii. By use of freeze-dried cells, either hydroxyesters or lactones are
formed, depending on the length of the alkyl chain in the ester. — (RUSTOY, E. M.;
PEREYRA, E. N.; MORENO, S.; BALDESSARI*, A.; Tetrahedron: Asymmetry 15
(2004) 23, 3763-3768; Dep. Quim. Org., Fac. Cienc. Exactas Nat., Univ. Buenos Aires,
1428 Buenos Aires, Argent.; Eng.) — Klein
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