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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269170Generated: October 25, 2026

3-bromo-N-(2-hydroxy-1,1-dimethylethyl)benzenesulfonamide → 3-[5-(4-Chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamide

https://huagongshe.com/reaction/269170

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-bromo-N-(2-hydroxy-1,1-dimethylethyl)benzenesulfonamideHCID 43501900—
Reactant5-(4-Chloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidineHCID 86607995—
Product3-[5-(4-Chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamideHCID 67000257—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-3-ethynyl-7-trifluoromethyl pyrazolo[1,5-a]pyrimidine (example C.4) (322 mg, 1.0 mmol) and 3-bromo-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamide (370 mg, 1.2 mmol) according to general procedure II. Obtained as a yellow solid (244 mg, 44%). MS (ISP) 549.3 [(M+H)+]; mp 226-229° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-a2d298154f654f25a1716b1246f57087
Source noteuspto-grants-2008_11