5-甲基四氮唑 、
(1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-15-(2-aminoethoxy)-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 在
三氟化硼乙醚 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 18.0h,
生成 (1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-15-(2-aminoethoxy)-8-[(1R)-1,2-dimethylpropyl]-14-[5-methyl-2H-tetrazol-2-yl]-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 、 (1S,4aR,6aS,7R,8R,10aR,10bR,12aR,14R,15R)-15-(2-aminoethoxy)-8-[(1R)-1,2-dimethylpropyl]-14-[5-methyl-1H-tetrazol-1-yl]-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