7-(3-Aminopropyl)-1,3-dimethyl-8-piperidin-1-ylpurine-2,6-dione;hydrochloride 、
N-Formylmorpholine diethyl acetal 以
乙醇 为溶剂,
以43.3%的产率得到1,3-Dimethyl-7-(3-{[1-morpholin-4-yl-meth-(Z)-ylidene]-amino}-propyl)-8-piperidin-1-yl-3,7-dihydro-purine-2,6-dione; hydrochloride