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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238152Generated: October 30, 2026

5-Bromopyridine-3-sulfonamide → 5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridine-3-sulfonic acid amide

https://huagongshe.com/reaction/2238152

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromopyridine-3-sulfonamideHCID 12684258—
Reactant3-Ethynyl-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 86608095—
Product5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridine-3-sulfonic acid amideHCID 16735267—

Reaction Steps

The title compound was prepared from 3-ethynyl-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.20) (300 mg, 1 mmol) and 5-bromo-pyridine-3-sulfonic acid amide (example B.1) (278 mg, 0.9 mmol) according to general procedure II. Obtained as an off-white solid (290 mg, 63%). MS (ISP) 457.1 [(M+H)+]; mp 294° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-353300bd6e3841ea85b5ab319d244a9e
Source noteuspto-grants-2010_05