Tetrahedron Asymmetry p. 2041 - 2043 (2003)
Update date:2022-08-30
Topics:
Molinari, Francesco
Gandolfi, Raffaella
Villa, Raffaella
Urban, Eva
Kiener, Andreas
The microbial oxidation of prochiral 2-methyl-1,3-propandiol into (R)-3-hydroxy-2-methyl propionic acid with Acetobacter pasteurianus DSM 8937 is reported. The biotransformation was optimised furnishing (R)-3-hydroxy-2-methyl propionic acid with 97% enantiomeric excess and 100% molar conversion of 5 g/L within 2 h. A simple fed-batch procedure allowed for the obtainment of 25 g/L of the enantiomerically enriched acid. (R)-3-Hydroxy-2-methyl propionic acid is an important building block for the synthesis of Captopril, a widely used antihypertensive drug.
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