| 摘要 |
<p>The present invention relates to an improved process for the preparation of 3-phenyl-2-hydroxy propanoic acid derivatives of the formula (I), where R1 represents hydrogen atom or (C¿1?-C6)alkyl group such as methyl, ethyl, propyl, isopropyl and the like, and R?2¿ represents (C¿1?-C6)alkyl such as methyl, ethyl, propyl, isopropyl and the like, useful as an intermediate for the preparation of several pharmaceutically active compounds.</p> |
