2-溴-1-((3R,5R,8R,9R,10S,13S,14S,17S)-3-羟基-3,13-二甲基十六氢-1H-环戊二烯并[A]菲-17-基)乙酮 、
6-氯-1H-吡唑并[4,3-b]吡啶 在
potassium carbonate 作用下,
以
四氢呋喃 为溶剂,
生成 2-(6-chloropyrazolo[4,3-b]pyridin-1-yl)-1-[(3R,5R,8R,9R,10S,13S,14S,17S)-3-hydroxy-3,13-dimethyl-2,4,5,6,7,8,9,10,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone 、 2-(6-chloropyrazolo[4,3-b]pyridin-2-yl)-1-[(3R,5R,8R,9R,10S,13S,14S,17S)-3-hydroxy-3,13-dimethyl-2,4,5,6,7,8,9,10,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone