4-{3-(3-tert-Butoxycarbonylamino-prop-1-ynyl)-4-methoxy-5-[3-(2,2,2-trifluoro-acetylamino)-prop-1-ynyl]-phenylsulfamoyl}-3-nitro-benzoic acid methyl ester 在
sodium hydroxide 、
碳酸氢钠 作用下,
以
1,4-二氧六环 为溶剂,
反应 4.5h,
生成
4-{3-(3-tert-Butoxycarbonylamino-prop-1-ynyl)-5-[3-(9H-fluoren-9-ylmethoxycarbonylamino)-prop-1-ynyl]-4-methoxy-phenylsulfamoyl}-3-nitro-benzoic acid