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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293811Generated: October 26, 2026

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

https://huagongshe.com/reaction/1293811

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-bromo-N-(2-hydroxy-1,1-dimethylethyl)benzenesulfonamideHCID 43501900—
Reactant5-(4-Chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidineHCID 86607996—
Product3-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamideHCID 11851620—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.5) (118 mg, 0.4 mmol) and 3-bromo-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamide (148 mg, 0.48 mmol) (example B.6) according to general procedure II. Obtained as a yellow solid (46 mg, 22%). MS (ISP) 521.5 f (M+H)+]; mp 202–204° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-186c1f39dd2a4982a7f8ec4a7eea02dd
Source noteuspto-grants-2007_07