1-[4-acetyl-1-(3-chloro-4-hydroxy-phenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-ethanone 、 、
肼 在
乙醚 作用下,
反应 1.0h,
以to afford 2-chloro-4-(1,4,5,7-tetramethyl-pyrrolo[3,4-d]pyridazin-6-yl)-phenol as a pale yellow solid的产率得到2-Chloro-4-(1,4,5,7-tetramethyl-pyrrolo[3,4-d]pyridazin-6-yl)-phenol