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Process for the preparation of substituted 3-phenyl-propanoic acid esters and substituted 3-phenyl-propanoic acids
Process for the preparation of substituted 3-phenyl-propanoic acid esters and substituted 3-phenyl-propanoic acids
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机译:制备取代的3-苯基-丙酸酯和取代的3-苯基-丙酸的方法
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摘要
The present invention relates to a process comprising hydrolysis or trans esterification of one of the two enantiomeric forms of a racemic or enantiomerically enriched ester of formula I or IV by a higher rate than the other by an enzyme to give an ester and a acid (III) or two different esters (V) and (VI) with different R groups both with increased enantiomeric purity and a esterification process of a racemic or enantiomerically enriched acid (VII) by an enzyme to give an ester and an acid both with increased enantiomeric purity.
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