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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 270811Generated: October 25, 2026

(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acid → 2-(4-Chloro-3-trifluoromethyl-5-methyl-pyrazol-1-yl)-1-[4-(2-chloro-5-methoxy-phenyl)-piperazin-1-yl]-ethanone

https://huagongshe.com/reaction/270811

Reaction equation

Participants

RoleNameHCIDCharge
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—
Reactant1-(2-Chloro-5-methoxyphenyl)piperazineHCID 18663028—
Product2-(4-Chloro-3-trifluoromethyl-5-methyl-pyrazol-1-yl)-1-[4-(2-chloro-5-methoxy-phenyl)-piperazin-1-yl]-ethanoneHCID 21071063—

Reaction Steps

Title compound was prepared following the HATU mediated coupling protocol P, wherein 1-(2-Chloro-5-methoxyphenyl)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) 7.31 (d, 1H), 6.65 (m, 2H), 5.37 (s, 2H), 3.73 (s, 3H), 3.62 (m, 4H), 3.02 (m, 2H), 2.96 (m, 2H), 2.19 (s, 3H) ppm; MS (ES) M+H expect=451.1, found=451.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449576B1
Source datasetuspto-grants-2008_11
ORD IDord-868d43eab170461abbd08cad7ffb996f
Source noteuspto-grants-2008_11