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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238041Generated: October 30, 2026

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

https://huagongshe.com/reaction/2238041

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-bromo-N-(2-hydroxy-1,1-dimethylethyl)benzenesulfonamideHCID 43501900—
Reactant5-(4-Chloro-3-methyl-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidineHCID 86608053—
Product3-[5-(4-Chloro-3-methyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamideHCID 67000704—

Reaction Steps

The title compound was prepared from 5-(4-chloro-3-methyl-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine (example C.11) (336 mg, 1.0 mmol) and 3-bromo-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamide (example B.6) (308 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (269 mg, 48%). MS (ISN) 561.3 [(M−H)−]; mp 204° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-29a4a57284ed4bb2b3b0b5bb9f6ccfdb
Source noteuspto-grants-2010_05