ethyl (1S,4R,6S,7Z,14S,18S)-14-[(2-methylpropan-2-yl)oxycarbonylamino]-18-methylsulfonyloxy-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate 、
5-(4-ethoxyphenyl)-1H-tetrazole 在
sodium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 10.0h,
生成 ethyl (1S,4R,6S,7Z,14S,18R)-18-[5-(4-ethoxyphenyl)tetrazol-2-yl]-14-[(2-methylpropan-2-yl)oxycarbonylamino]-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate