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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238136Generated: October 29, 2026

5-Bromo-2-thiophenesulfonamide → 5-[6-(4-Chloro-phenyl)-8-methyl-imidazo[1,2-a]pyridin-3-ylethynyl]-thiophene-2-sulfonic acid amide

https://huagongshe.com/reaction/2238136

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-thiophenesulfonamideHCID 1241304—
Reactant6-(4-Chloro-phenyl)-3-ethynyl-8-methyl-imidazo[1,2-a]pyridineHCID 86608094—
Product5-[6-(4-Chloro-phenyl)-8-methyl-imidazo[1,2-a]pyridin-3-ylethynyl]-thiophene-2-sulfonic acid amideHCID 16738464—

Reaction Steps

The title compound was prepared from 6-(4-chloro-phenyl)-3-ethynyl-8-methyl-imidazo[1,2-a]pyridine (example C.21) (267 mg, 1 mmol) and commercially available 5-bromothiophene-2-sulfonamide (230 mg, 1 mmol) according to general procedure II. Obtained as a light brown solid (158 mg, 44%). MS (ISP) 427.9 [(M+H)+], 429.9 [(M+2+H)+]; mp 265-266° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-cb05a244a5b84e80b6e07b27fc0ab5b7
Source noteuspto-grants-2010_05