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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238162Generated: October 31, 2026

5-Ethynylpyridin-2-amine → 5-[8-Fluoro-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridin-2-ylamine

https://huagongshe.com/reaction/2238162

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyridin-2-amineHCID 21954827—
Reactant8-Fluoro-3-iodo-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 67001206—
Product5-[8-Fluoro-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridin-2-ylamineHCID 67001121—

Reaction Steps

The title compound was prepared from 8-fluoro-3-iodo-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.29 step 6) (350 mg, 0.85 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (122 mg, 0.85 mmol) according to general procedure II. Obtained as an off-white solid (130 mg, 38%). MS (ISP) 397.2 [(M+H)+]; mp 281-282° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-dc9427955a2646409ee610a4129eeb0b
Source noteuspto-grants-2010_05