反应详情

Stating with [4-(3-amino-benzenesulfonylamino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl ester and benzenesulfonyl chloride, and using the method analogous to the one described for example 14-1, [4-(3-benzenesulfonylamino-benzene-sulfonyl-amino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl ester (15 mg, 70%) was obtained as a white solid. MS cald. for C23H26N4O6S2 518, obsd. (ESI+) [(M+H)+]:519.