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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293853Generated: October 30, 2026

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

https://huagongshe.com/reaction/1293853

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-bromo-N-(2-hydroxy-1,1-dimethylethyl)benzenesulfonamideHCID 43501900—
Reactant3-Ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608055—
ProductN-(2-Hydroxy-1,1-dimethyl-ethyl)-3-[7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamideHCID 86608057—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.10) (355 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 (560 mg, 96%). MS (ISN) 581.1 [(M−H)−]; mp 132° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-548a8f13ba644b0892e5ca15d4042440
Source noteuspto-grants-2007_07