SYNTHESIS OF INOTROPIC IMIDAZO(4,5-C) PYRIDINE

摘要

X-6693Abstract of the DisclosureThe present invention provides a process forpreparing 2-[2-methoxy-4-(methylthio)phenyl]-1(3)H-imidazo[4,5-c]pyridine comprising reacting 3,4-diaminopyridine with 2-methoxy-4-methylthiobenzoicacid in the presence of phosphorus oxychloride andpyridine.