5-氨基四氮唑 、
[(1R,5S,6R,7R,10R,11R,14R,15S,20R,21R)-21-[(2S)-2-amino-2,3-dimethylbutoxy]-6-carbamoyl-5,7,10,15-tetramethyl-7-[(2R)-3-methylbutan-2-yl]-17-oxapentacyclo[13.3.3.01,14.02,11.05,10]henicos-2-en-20-yl] acetate 在
三氟化硼乙醚 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 5.0h,
以46%的产率得到(1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-15-[[(2S)-2-amino-2,3-dimethylbutyl]oxy]-14(5-amino-2H-tetrazol-2yl)-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-carboxamide