(+/-)-7-(2,5-dichlorothiophen-3-yl)-4-methyl-5,6,7,8-tetrahydroquinolin-5-one 、
N-hydroxy-N'-aminoguanidine tosylate 、
盐酸 在
乙酸乙酯 、
四氢呋喃 、
sodium hydroxide 、
水 、
盐酸 、
乙醇 、
7-(2,5-dichlorothiophen-3-yl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以to give 7-(2,5-dichlorothiophen-3-yl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride (Compound 105) (205 mg) as colorless crystals的产率得到7-(2,5-dichlorothiophen-3-yl)-5-(1-hydroxyguanidin-3-yl)imino-4-methyl-5,6,7,8-tetrahydroquinoline hydrochloride