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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 270847Generated: October 25, 2026

1-(4-(Trifluoromethyl)phenyl)piperazine → 2-(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-1-[4-(4-trifluoromethyl-phenyl)-piperazin-1-yl]-ethanone

https://huagongshe.com/reaction/270847

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(4-(Trifluoromethyl)phenyl)piperazineHCID 121718—
Reactant(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acidHCID 1876853—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Product2-(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-1-[4-(4-trifluoromethyl-phenyl)-piperazin-1-yl]-ethanoneHCID 21071099—

Reaction Steps

Title compound was prepared following the HATU mediated coupling protocol P, wherein 1-(4-Trifluoromethylphenyl)-piperazine and (4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acid were used as the coupling components, to give the product as a solid: 1H NMR (DMSO-d6, 400 MHz) 7.50 (d, 2H), 7.07 (d, 2H), 5.38 (s, 2H), 3.60 (m, 4H), 3.41 (m, 2H), 3.31 (m, 2H), 2.19 (s, 3H) ppm; MS (ES) M+H expected=455.1, found=455.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449576B1
Source datasetuspto-grants-2008_11
ORD IDord-f73524d996f940ef8815c8c8574c3237
Source noteuspto-grants-2008_11