反应详情

Starting with (4-amino-4,5,6,7-tetrahydro-indazol-1-yl)-acetic acid ethyl ester and 3-nitro-benzenesulfonyl chloride using the method analogous to the one described above for example 1-1, [4-(3-nitro-benzenesulfonylamino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl ester (519 mg, 63.6%) was obtained as a white solid. MS cald. for C17H20N4O6S 408, obsd. (ESI+) [(M+H)+] 409.