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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914126Generated: October 27, 2026

m-Anisoyl chloride → 5-(3,4-Dimethoxyphenyl)-2-{1-[(3-methoxyphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/1914126

Reaction equation

Participants

RoleNameHCIDCharge
Reactantm-Anisoyl chlorideHCID 74374—
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-[(3-methoxyphenyl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-oneHCID 46205951—

Reaction Steps

The title compound is prepared analogously as described for GP1 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one hydrochloride (compound B1*HCl) and 3-methoxybenzoyl chloride as starting compounds. The crude product is purified by crystallization from EA to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-5993552ea2db40b3859547d602080f20
Source noteuspto-grants-2013_12