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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269242Generated: October 27, 2026

5-Bromo-2,4-difluorobenzenesulfonamide → 2,4-Difluoro-5-[8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamide

https://huagongshe.com/reaction/269242

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2,4-difluorobenzenesulfonamideHCID 2773295—
Reactant3-Ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 86608011—
Product2,4-Difluoro-5-[8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamideHCID 16735751—

Reaction Steps

The title compound was prepared from 3-ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.18) (310 mg, 0.88 mmol) and 5-Bromo-2,4,-difluorobenzenesulfonamide (226 mg, 0.83 mmol) according to general procedure II. Obtained as an off-white solid (56 mg, 12%). MS (ISP) 546.2 [(M+H)+]; mp 306-307° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-470aaa3dc9b04448a8b629b9260b6dfd
Source noteuspto-grants-2008_11