Hypoglycaemically and hypolipidaemically active derivatives of phenyl-alkane-carboxylic acids

A phenyl-alkane-carboxylic acid of the formula ##STR14## wherein A is an aryl, aralkyl or arylvinyl radical optionally substituted by hydroxy, halogen, trifluoromethyl, alkyl, alkylthio, alkoxy, alkenyloxy, alkoxyalkoxy, alkyl-substituted amino, aryloxy or alkoxy-substituted aryloxy, or is an aryloxyalkyl or arylthioalkyl radical, or a thienyl or quinolyl radical optionally substituted by halogen, or alkyl or alkoxy containing up to 5 carbon atoms, any aryl moiety of A containing from 6 to 10 carbon atoms and any alkyl, alkoxy or alkenyloxy moiety of A containing 2 5 carbon atoms,

• Y is an unbranched or branched lower alkylene radical containing up to 3 carbon atoms,
• X is a straight or branched, saturated or unsaturated divalent aliphatic hydrocarbon radical containing 2 to 8 carbon atoms, there being at least 2 carbon atoms between the benzene ring and the carboxyl group, and
• R is a hydrogen atom or a lower alkyl radical containing up to 5 carbon atoms,
• or a physiologically compatible salt, ester or amide thereof.