(1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-15-[[(2R)-2-amino-2,3-dimethyl-butyl]oxy]-8-[(1R)-1,2-dimethylpropyl]-14-methoxy-1,6,6a,7,8,9,10,10a,10b,11,12,12a-dodecahydro-1,6a,8,10a-tetramethyl-4H-1,4a-propano-2H-phenanthro[1,2-c]pyran-7-carboxylic acid 、
3-amino-N-(triethylsilyl)-1H-1,2,4-triazole-5-carboxamide 、
三氟乙酸 在
三氟化硼乙醚 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 2.5h,
生成 (1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-14-[3-amino-5-(aminocarbonyl)-1H-1,2,4-triazol-1-yl]-15-[[(2R)-2-amino-2,3-dimethylbutyl]oxy]-8-[(1R)-1,2-dimethylpropyl]-1,6,6a,7,8,9,10,10a,10b,11,12,12a-dodecahydro-1,6a,8,10a-tetramethyl-4H-1,4a-propano-2H-phenanthro[1,2-c]pyran-7-carboxylic acid trifluoroacetate