| abstract |
PROCEDURE TO PREPARE THE IMIDOPERCARBOXILIC ACIDS OR THEIR SALTS, OF FORMULA (I), WHERE A MEANS A GROUP OF FORMULAS (II), N ES 0, 1 O 2; R1 IS HYDROGEN, CHLORINE, JOKE, ALKYL, ALKYNYL, ARYL, PREFERABLY PHENYL, OR ALKYLARYL, PREFERABLY ALKYL-PHENYL; R2 IS HYDROGEN, CHLORINE, BROMINE OR -SO3M, -CO2M, -CO3M, -OSO3M; M IS HYDROGEN, AN ION OF AN ALKALINE METAL OR AMMONIUM, OR AN ION OF AN ALKALINE-TERREO METAL; Y X MEANS ALKYLENE OR ARYLENE, PREFERABLY PHENYLENE; BY REACTION OF AN ANHYDRIDE OF FORMULA (III), WITH AN AMINO ACID OF FORMULA (IV) AND THE IMIDOCARBOXILIC ACID OBTAINED IS OXIDIZED WITH HYDROGEN PEROXIDE IN THE PRESENCE OF A STRONG ACID. |