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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2054229Generated: October 27, 2026

1-(3-Fluoro-4-trifluoromethyl-phenyl)-4,4,4-trifluoro-butane-1,3-dione → 5-(3-Fluoro-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carbonitrile

https://huagongshe.com/reaction/2054229

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(3-Fluoro-4-trifluoromethyl-phenyl)-4,4,4-trifluoro-butane-1,3-dioneHCID 86598657—
ReactantHCID 178510443HCID 178510443—
Product5-(3-Fluoro-4-trifluoromethyl-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carbonitrileHCID 8659865637.1%

Reaction Steps

Reaction of 1-(3-fluoro-4-trifluoromethyl-phenyl)-4,4,4-trifluoro-butane-1,3-dione (302 mg, 1.0 mmol), prepared from commercially available 3-fluoro-4-trifluoromethyl-acetophenone according to general procedure A, and 3-amino-4-cyano-pyrazole (108 mg, 1.0 mmol) according to general procedure B yielded the title compound as an off-white solid (139 mg, 37%). MS (ISP) 375.0 [(M+H)+]; mp 184° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07329662B2
Source datasetuspto-grants-2008_02
ORD IDord-4cbddc69ef8d4ed99f1d2c549841853b
Source noteuspto-grants-2008_02