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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 558813Generated: October 28, 2026

2-Amino-5-bromopyridine → HCID 67000723, compound

https://huagongshe.com/reaction/558813

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-5-bromopyridineHCID 70622—
Reactant3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608034—
ProductHCID 67000723HCID 67000723—

Reaction Steps

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (340 mg, 1 mmol) and commercially available 2-amino-5-bromopyridine (157 mg, 1 mmol) according to general procedure II. Obtained as a dark red solid (13 mg, 3%). MS (ISP) 430.3 [(M+H)+]; mp 216° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08063048B2
Source datasetuspto-grants-2011_11
ORD IDord-10938a09f8034ca8918bb67b29976351
Source noteuspto-grants-2011_11