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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1372036Generated: November 3, 2026

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

https://huagongshe.com/reaction/1372036

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-(4-Chloro-2-methoxyphenyl)piperazineHCID 15840663—
Product2-(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-1-[4-(4-chloro-2-methoxy-phenyl)-piperazin-1-yl]-ethanoneHCID 21071087—

Reaction Steps

Title compound was prepared following the HATU mediated coupling protocol P, wherein 1-(4-Chloro-2-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) 7.02 (s, 1H), 6.93 (m, 2H), 5.36 (s, 2H), 3.82 (s, 3H), 3.60 (m, 4H), 3.03 (m, 2H), 2.95 (m, 2H), 2.19 (s, 3H) ppm; MS (ES) M+H expected=451.1, found=451.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07157464B2
Source datasetuspto-grants-2007_01
ORD IDord-55931ce700f94a56bb015ab07328d67b
Source noteuspto-grants-2007_01