SYNTHESIS OF INOTROPIC IMIDAZOÛ4,5-C¨PYRIDINE

摘要

The present invention provides a process for preparing 2-[2-methoxy-4-(methylthio)phenyl]-1(3)H-imidazo[4,5-c]pyridine comprising reacting 3,4-diaminopyridine with 2-methoxy-4-methylthiobenzoic acid in the presence of phosphorus oxychloride and pyridine.