摘要 |
<p>The invention provides N-acyl amino acid derivatives of general formula <CHEM> salts and esters thereof, wherein X represents an oxygen or sulphur atom, R<1> is an optionally substituted alkyl, alkenyl, cycloalkyl, aryl or aralkyl group or an optionally substituted alkylamino, cycloalkylamino, arylamino or aralkylamino group, R<2> is an optionally substituted alkyl, cycloalkyl or aryl group and R<3> is a hydrogen atom or an optionally substituted alkyl, cycloalkyl or aryl group; processes for their preparation and their use as fungicides.</p> |