[(3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-4,4,8,10,14-pentamethyl-17-[(2S)-2,6,6-trimethyloxan-2-yl]-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] 2-chloroacetate 、
3-(3,5-Dimethylphenyl)-4H-1,2,4-triazole-5-thiol 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 2.0h,
以50%的产率得到20(R)-panaxadiol-12β-hydroxy-3β-yl-[5-[3,5-dimethylphenyl]-4H-[1,2,4]triazole-3-yl]thioacetate