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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238116Generated: November 1, 2026

3-Ethynylpyridine → 3-Pyridin-3-ylethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine

https://huagongshe.com/reaction/2238116

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-EthynylpyridineHCID 186003—
Reactant3-Iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 86608008—
Product3-Pyridin-3-ylethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 16738439—

Reaction Steps

The title compound was prepared from 3-iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.18 step 6) (460 mg, 1 mmol) and commercially available 3-ethynylpyridine (105 mg, 1 mmol) according to general procedure II. Obtained as a white solid (330 mg, 75%). MS (ISP) 432.1 [(M+H)+]; mp 169-170° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-dde05f626bf5412ba491055d6ab1016e
Source noteuspto-grants-2010_05