1-[(5R,9R,13R,17R)-5,9-dimethyl-19-(1-methylethyl)-15-oxa-14,16-dioxopentacyclo[10.5.2.0(1,10).0(4,9).0(13,17)]heptadec-18-ene-5-carbonyl]-1H-imidazole 在
potassium hydroxide 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以86%的产率得到8-(N-1H-imidazol-1-ylcarbamoyl)-11-isopropyl-4b,8-dimethyldecahydro-1H-3,10a-ethenophenanthro-1,2-dicarboxylic acid