METHOD OF CRYSTALLIZING IOPAMIDOL

摘要

FIELD: chemical industry. SUBSTANCE: iopamidol is crystallized using butanol or structural isomer thereof as catalyst. Iopamidol is prepared with high yield also from aqueous solutions thereof. Iopamidol has characteristics which meet requirement of pharmacopolia. EFFECT: more efficient crystallization method. 4 cl, 28 cl, 9 ex