3-methyl-6-(4-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 、
4-guanidinoimino-3-methyl-6-(4-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以to give 4-guanidinoimino-3-methyl-6-(4-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride (Compound 33) (0.30 g) as colorless crystals的产率得到4-guanidinoimino-3-methyl-6-(4-methylphenyl)-4,5,6,7-tetrahydrobenzofuran hydrochloride