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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1294030Generated: October 30, 2026

5-Ethynylpyridin-2-amine → 5-[5-(4-Chloro-phenyl)-7-propyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine

https://huagongshe.com/reaction/1294030

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyridin-2-amineHCID 21954827—
Reactant5-(4-Chloro-phenyl)-3-iodo-7-propyl-pyrazolo[1,5-a]pyrimidineHCID 67000949—
Product5-[5-(4-Chloro-phenyl)-7-propyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamineHCID 67000891—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-3-iodo-7-propyl-pyrazolo[1,5-a]pyrimidine (99 mg, 0.25 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (30 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (48 mg, 50%). MS (ISP) 388.4 [(M+H)+]; mp 215–217° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-35d7f964d37e48e4bb27494629f27848
Source noteuspto-grants-2007_07