Process for preparing an intermediate useful for the synthesis of iodinated contrast media.

摘要

PROCESS FOR THE PREPARATION OF COMPOUND DICHLORIDE L - 5 - (2 - acetoxypropionylamino) - 2,4,6 - triiodoisophthaloyl by reacting DICHLORIDE 5 - AMINO - 2,4,6 triiodoisophthaloyl CHLORIDE L - 2 - acetoxypropionyl IN N , N - DIMETILACETAIDA as solvent, characterized in that the reaction mixture ADDING AN AMOUNT OF WATER cATALYTIC.