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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269270Generated: October 29, 2026

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

https://huagongshe.com/reaction/269270

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyridin-2-amineHCID 21954827—
Reactant3-Iodo-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridineHCID 67000127—
Product5-[8-Methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridin-2-ylamineHCID 16738441—

Reaction Steps

The title compound was prepared from 3-iodo-8-methyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.20 step 3) (804 mg, 2 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (307 mg, 2.6 mmol) according to general procedure II. Obtained as an off-white solid (160 mg, 20%). MS (ISP) 393.1 [(M+H)+]; mp 239-240° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-1185749e4c1e4728b76f8d53d2b7c660
Source noteuspto-grants-2008_11