3-trifluoromethyl-6-(2-methylphenyl)-4,5,6,7-tetrahydrobenzofuran-4-one 、
肼甲酰亚胺酰胺一氯化氢 、
盐酸 、
水 在
乙醇乙酸乙酯 、
3-trifluoromethyl-4-guanidinoimino-6-(2-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride 作用下,
以
乙醇 为溶剂,
反应 6.0h,
以to give 3-trifluoromethyl-4-guanidinoimino-6-(2-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride (Compound 52) (0.08 g) as colorless crystals的产率得到3-trifluoromethyl-4-guanidinoimino-6-(2-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride