((1S,3aS,5aS,5bR,7aS,10aS,10bR,12aR,12bR)-3a-Hydroxymethyl-1-isopropyl-5b,8,8,10a-tetramethyl-octadecahydro-dicyclopenta[a,i]phenathren-5a-yl)-methanol 在
chromium(VI) oxide 作用下,
以
溶剂黄146 为溶剂,
生成 (1S,3aS,5aS,5bR,7aS,10aS,10bR,12aR,12bR)-1-Isopropyl-5b,8,8,10a-tetramethyl-octadecahydro-dicyclopenta[a,i]phenathrene-3a,5a-dicarbaldehyde