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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914213Generated: October 26, 2026

2,5-Dimethylbenzoic acid → 5-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/1914213

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,5-Dimethylbenzoic acidHCID 11892—
Reactant5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochlorideHCID 66616406—
Product5-(3,4-Dimethoxyphenyl)-2-{1-[(2,5-dimethylphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-oneHCID 67364295—

Reaction Steps

The title compound is prepared analogously as described for GP3 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and 2,5-dimethylbenzoic acid as starting compounds. The crude product is purified by crystallization from methanol to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-c32a13713086438d971605d32e5d2287
Source noteuspto-grants-2013_12