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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269198Generated: October 25, 2026

2-Pyridinamine, 5-bromo-6-methyl- → 6-Methyl-5-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine

https://huagongshe.com/reaction/269198

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Pyridinamine, 5-bromo-6-methyl-HCID 170678—
Reactant3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 71539732—
Product6-Methyl-5-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamineHCID 86608069—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 mg, 1.0 mmol) and commercially available 6-amino-3-bromo-2-methylpyridine (168 mg, 1.0 mmol) according to general procedure II. Obtained as a dark-red solid (90 mg, 19%). MS (ISP) 462.2 [(M+H)+]; mp 251-254° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-fd1830a865714a9c91e0fd1a665bc9cd
Source noteuspto-grants-2008_11