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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 369087Generated: October 24, 2026

4-Hydrazinylbenzenesulfonamide hydrochloride → 4-[5-(7-fluorobenzothiazol-2-yl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide

https://huagongshe.com/en/reaction/369087

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Hydrazinylbenzenesulfonamide hydrochlorideHCID 2794567—
Reactant1-(7-Fluorobenzothiazol-2-yl)-4,4,4-trifluorobutane-1,3-dioneHCID 23285428—
Product4-[5-(7-fluorobenzothiazol-2-yl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamideHCID 2328537388%

Reaction Steps

The procedure of Example 9 was repeated using 1-(7-fluorobenzothiazol-2-yl)-4,4,4-trifluorobutane-1,3-dione and 4-sulfamoylphenylhydrazine hydrochloride as the starting materials to obtain 4-[5-(7-fluorobenzothiazol-2-yl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide (yield, 88%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06136831
Source datasetuspto-grants-2000_10
ORD IDord-ee87f12a5e074065bc4d1fc3b61958c0
Source noteuspto-grants-2000_10