Patent ID: 6162933
Filing Date: 2000-12-19
Classification: C07C,C11D

Abstract:
A process for the preparation of amido acid phenyl esters of the formula I ##STR6## where A is a group of the formula --CONR.sup.2 -- or --NR.sup.2 CO--,R.sup.1 is an alkyl, alkenyl, alkynyl or cycloalkyl group having in each case from 1 to 26 carbon atoms, or an aryl or alkylaryl group having in each case from 6 to 14 carbon atoms,R.sup.2 is hydrogen or an alkyl, alkenyl, alkynyl or a cycloalkyl group having in each case from 1 to 26 carbon atoms, or an aryl or alkylaryl group having in each case from 6 to 14 carbon atoms,R.sup.3 and R.sup.4 may be identical or different and can each be hydrogen or an alkyl, alkenyl, alkynyl or a cycloalkyl group having in each case from 1 to 10 carbon atoms,R.sup.5 is hydrogen, halogen or an alkyl, alkenyl, alkynyl, cycloalkyl or an alkoxy group having in each case from 1 to 6 carbon atoms, n is a number from 1 to 10,X is a group of the formulae SO.sub.3 M, OSO.sub.3 M, (CH.sub.2).sub.m SO.sub.3 M, (CH.sub.2).sub.m O-SO.sub.3 M, CO.sub.2 M and N(R.sup.6).sub.3 Y,where M is hydrogen or an alkali metal ion,R.sup.6 is an alkyl group having from 1 to 6 carbon atoms or a cycloalkyl group having from 4 to 6 carbon atoms,Y is a halogen atom and m is 1 or 2,which comprises adding an inorganic acid halide to a mixture of the compounds of the formulae II and III ##STR7## where A, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, X and M are as defined above.