7-(5-fluoro-2-hydroxyphenyl)-4-methyl-5,6,7,8-tetrahydroquinolin-5-one 、
肼甲酰亚胺酰胺一氯化氢 、
盐酸 在
7-(5-fluoro-2-hydroxyphenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydroquinoline dihydrochloride 作用下,
以
乙醇 为溶剂,
反应 2.5h,
以to give 7-(5-fluoro-2-hydroxyphenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride (Compound 169) (1 g) as pale yellow crystals的产率得到7-(5-fluoro-2-hydroxyphenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydroquinoline dihydrochloride