4-methyl-7-(thiophen-3-yl)-5,6,7,8-tetrahydrocinnolin-5-one 、
肼甲酰亚胺酰胺一氯化氢 、
盐酸 在
乙醇 、
5-guanidinoimino-4-methyl-7-(thiophen-3-yl)-5,6,7,8-tetrahydrocinnoline dihydrochloride 作用下,
以
乙醇 为溶剂,
反应 1.5h,
以to give 5-guanidinoimino-4-methyl-7-(thiophen-3-yl)-5,6,7,8-tetrahydrocinnoline hydrochloride (Compound 130) (0.26 g) as colorless crystals的产率得到5-guanidinoimino-4-methyl-7-(thiophen-3-yl)-5,6,7,8-tetrahydrocinnoline dihydrochloride