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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269292Generated: October 30, 2026

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

https://huagongshe.com/reaction/269292

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyridin-2-amineHCID 21954827—
Reactant6-(4-Chloro-phenyl)-8-cyclopropyl-3-iodo-imidazo[1,2-a]pyridineHCID 67000959—
Product5-[6-(4-Chloro-phenyl)-8-cyclopropyl-imidazo[1,2-a]pyridin-3-ylethynyl]-pyridin-2-ylamineHCID 67000869—

Reaction Steps

The title compound was prepared from 6-(4-chloro-phenyl)-8-cyclopropyl-3-iodo-imidazo[1,2-a]pyridine (example C.27 step 5) (592 mg, 2 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (230 mg, 2 mmol) according to general procedure II. Obtained as a yellow solid (128 mg, 22%). MS (ISP) 385.2 [(M+H)+], 387 [(M+2+H)+]; mp 246° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-ae5ba7bce635466e8ae95a3378a84d5e
Source noteuspto-grants-2008_11