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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293914Generated: October 31, 2026

4-Bromobenzenesulfonamide → 4-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamide

https://huagongshe.com/reaction/1293914

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromobenzenesulfonamideHCID 69696—
Reactant3-Ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 86608011—
Product4-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamideHCID 16735750—

Reaction Steps

The title compound was prepared from 3-ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.18) (354 mg, 1.0 mmol) and 4-bromobenzenesulfonamide (230 mg, 1.0 mmol) according to general procedure II. Obtained as an off-white (120 mg, 23%). MS (ISP) 511.3 [(M+H)+]; mp 278–280° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-55954544b6e34263be181657a26663e6
Source noteuspto-grants-2007_07