4-methyl-7-(5-methyl-thien-2-yl)-5,6,7,8-tetrahydroquinolin-5-one 、
肼甲酰亚胺酰胺一氯化氢 、
盐酸 在
乙醇 、
5-guanidinoimino-4-methyl-7-(5-methyl-2-thienyl)-5,6,7,8-tetrahydroquinoline dihydrochloride 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以to give 5-guanidinoimino-4-methyl-7-(5-methyl-2-thienyl)-5,6,7,8-tetrahydroquinoline hydrochloride (Compound 71) (273 mg) as pale yellow crystals的产率得到5-guanidinoimino-4-methyl-7-(5-methyl-2-thienyl)-5,6,7,8-tetrahydroquinoline dihydrochloride