N-[(3β,4α,5α,9β,16α,20S)-20-(dimethylamino)-16-hydroxy-4-(hydroxymethyl)-4,14-dimethyl-11-oxo-9,19-cyclopregnan-3-yl]benzamide 260.0 ℃
、4.0 Pa
条件下,
以70%的产率得到N-[(2R,3S,3aR,5aR,9S,10S,10aR,12aR,12bS)-3-[(1S)-1-(dimethylamino)ethyl]-1,2,3,3a,4,5,5a,6,8,9,10,10a,11,12,12a,12b-hexadecahydro-2-hydroxy-10-(hydroxymethyl)-3a,10,12b-trimethyl-5-oxobenzo[4,5]cyclohepta[1,2-e]inden-9-yl]benzamide