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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293971Generated: October 29, 2026

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

https://huagongshe.com/reaction/1293971

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyrimidin-2-amineHCID 16109021—
Reactant6-(4-Chloro-phenyl)-8-fluoro-3-iodo-imidazo[1,2-a]pyridineHCID 67001159—
Product5-[6-(4-Chloro-phenyl)-8-fluoro-imidazo[1,2-a]pyridin-3-ylethynyl]-pyrimidin-2-ylamineHCID 16738482—

Reaction Steps

The title compound was prepared from 6-(4-chloro-phenyl)-8-fluoro-3-iodo-imidazo[1,2-a]pyridine (example C.30 step 2) (300 mg, 0.8 mmol) and 5-ethynyl-pyrimidin-2-ylamine (example D.2) (115 mg, 0.8 mmol) according to general procedure II. Obtained as an off-white solid (101 mg, 34%). MS (ISP) 364.1 [(M+H)+],366 [(M+2+H)+]; mp 279–280° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-28b4460fec55485ba52b82b4f36004e2
Source noteuspto-grants-2007_07