2,2-Dimethyl-propionic acid 2-((1S,2R,4aS,4bS,6S,10aR,12aS)-6-fluoro-2,10a,12a-trimethyl-8-oxo-1,2,3,4,4a,4b,5,6,8,10a,12,12a-dodecahydro-chrysen-1-yl)-2-oxo-ethyl ester 在
N-氯代丁二酰亚胺 、
高氯酸 作用下,
生成 2,2-Dimethyl-propionic acid 2-((1S,2R,4aS,4bS,6S,10aS,10bR,11S,12aS)-10b-chloro-6-fluoro-11-hydroxy-2,10a,12a-trimethyl-8-oxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydro-chrysen-1-yl)-2-oxo-ethyl ester