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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238122Generated: November 2, 2026

4-Bromobenzamide → 4-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzamide

https://huagongshe.com/reaction/2238122

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-BromobenzamideHCID 69683—
Reactant3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 71539732—
Product4-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzamideHCID 11852418—

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 g, 1.0 mmol) and commercially available 4-bromobenzamide (180 mg, 0.9 mmol) according to general procedure II. Obtained as a yellow solid (290 mg, 61%). MS (ISP) 475.1 [(M+H)+]; mp 260° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-731b76942c1442f4a74ffccadec315d5
Source noteuspto-grants-2010_05