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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1095860Generated: November 2, 2026

Benzenesulfonyl chloride → [4-(3-Benzenesulfonylamino-benzene-sulfonyl-amino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl ester

https://huagongshe.com/reaction/1095860

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenesulfonyl chlorideHCID 7369—
Reactant[4-(3-Amino-benzenesulfonylamino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl esterHCID 59152902—
Product[4-(3-Benzenesulfonylamino-benzene-sulfonyl-amino)-4,5,6,7-tetrahydro-indazol-1-yl]-acetic acid ethyl esterHCID 5915303970%

Reaction Steps

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.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08138208B2
Source datasetuspto-grants-2012_03
ORD IDord-4480936aa52c4e68ae2a7e0610279d98
Source noteuspto-grants-2012_03