Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238211Generated: October 30, 2026

5-Ethynylpyrimidin-2-amine → 5-[5-(3-Methyl-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyrimidin-2-ylamine

https://huagongshe.com/reaction/2238211

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethynylpyrimidin-2-amineHCID 16109021—
ReactantHCID 86608026HCID 86608026—
Product5-[5-(3-Methyl-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyrimidin-2-ylamineHCID 86608126—

Reaction Steps

The title compound was prepared from 3-iodo-5-(3-methyl-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine (example C.32) (236 mg, 0.5 mmol) and 5-ethynyl-pyrimidin-2-ylamine (example D.2) (60 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (139 mg, 60%). MS (EI) 462.1 [(M)+]; mp 240° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-cb074f594bf542038d79f09b3c3f9c38
Source noteuspto-grants-2010_05