(4aS,6aS,6bR,8aR,13aR,15bS)-benzyl 12-amino-2,2,6a,6b,9,9,13a-heptamethyl-15-(1H-pyrrol-3-yl)-2,3,4,4a,5,6,6a,6b,7,8,8a,9,11,13,13a,13b,14,15b-octadecahydro-1H-chryseno[1,2-f]indazole-4a-carboxylate 在
10% palladium hydroxide on charcoal 、
氢气 作用下,
以
甲醇 为溶剂,
反应 5.0h,
以71%的产率得到(4aS,6aS,6bR,8aR,13aR,15bS)-12-amino-2,2,6a,6b,9,9,13a-heptamethyl-15-(1-methyl-1H-pyrazol-4-yl)-2,3,4,4a,5,6,6a,6b,7,8,8a,9,11,13,13a,13b,14,15b-octadecahydro-1H-chryseno[1,2-f]indazole-4a-carboxylic acid