| 摘要 |
<p>The invention relates to a method for producing compounds of formula (I) wherein R represents H, optionally halogen-substituted alkyl, cycloalkyl or aryl, alkyl-aryl or heteroaryl, and at least one CH2 group can be replaced by O in alkyl and cycloalkyl. Said compounds of formula (I) are valuable intermediates in the synthesis of PPAR agonists.</p> |
