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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914162Generated: November 1, 2026

Benzenesulfonyl chloride, 2,4-dichloro- → HCID 67364204, compound

https://huagongshe.com/reaction/1914162

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzenesulfonyl chloride, 2,4-dichloro-HCID 204419—
Reactant5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochlorideHCID 66616406—
ProductHCID 67364204HCID 67364204—

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 (compound B1) and 2,4-dichlorobenzenesulfonyl chloride as starting compounds. The crude product is purified by crystallization from EA and diethyl ether to yield the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-17f4c02c9e964894a3591cbddc4dbe72
Source noteuspto-grants-2013_12