乙酸酐 、
6β-nitroamino-5α-cholestane 在
吡啶 作用下,
反应 0.5h,
以0.8 g的产率得到acetyloxy-[[(5S,6R,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-6-yl]imino]-oxidoazanium