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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1784610Generated: October 30, 2026

8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine-3-carboxylic acid → 3-{5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-yl]-[1,2,4]oxadiazol-3-yl}-benzenesulfonamide

https://huagongshe.com/reaction/1784610

Reaction equation

Participants

RoleNameHCIDCharge
Reactant8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine-3-carboxylic acidHCID 66650308—
ReactantHCID 178513322HCID 178513322—
Product3-{5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-yl]-[1,2,4]oxadiazol-3-yl}-benzenesulfonamideHCID 16068460—

Reaction Steps

The title compound was prepared from 8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine-3-carboxylic acid (example C.34) (160 mg, 0.5 mmol) and N-hydroxy-3-sulfamoyl-benzamidine [CAS-No. 9000-88-7] (161 mg, 0.75 mmol) according to general procedure II. Obtained after trituration with water and further purification by crystallization (MeOH/diethyl ether) as an off-white solid (175 mg, 70%). MS (ISP) 500.3 [(M+H)+]; mp 326° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07504404B2
Source datasetuspto-grants-2009_03
ORD IDord-2b7264b953284980be4adc5080234d94
Source noteuspto-grants-2009_03