22-tosyloxy-23,24-dinorchol-4-en-3-one 、
potassium thioacetate 以
various solvent(s) 为溶剂,
反应 3.0h,
以95%的产率得到Thioacetic acid S-[(S)-2-((8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-propyl] ester