Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 558907Generated: October 30, 2026

2-Amino-5-bromopyrazine → HCID 67000943, compound

https://huagongshe.com/reaction/558907

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-bromopyrazineHCID 599539—
Reactant3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608034—
ProductHCID 67000943HCID 67000943—

Reaction Steps

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 2-amino-5-bromo-pyrazine (87 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (53 mg, 25%). MS (ISP) 431.2 [(M+H)+]; mp 233° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08063048B2
Source datasetuspto-grants-2011_11
ORD IDord-fddff44176eb447baa8bf523722669a5
Source noteuspto-grants-2011_11