Acetic acid (8R,9S,13S,14S,16R,17S)-16-(acetylamino-methyl)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以95%的产率得到N-((8R,9S,13S,14S,16R,17S)-17-Hydroxy-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-16-ylmethyl)-acetamide