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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524139Generated: October 26, 2026

8-Quinolinesulfonyl chloride → 5-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(quinolin-8-ylsulfonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/524139

Reaction equation

Participants

RoleNameHCIDCharge
Reactant8-Quinolinesulfonyl chlorideHCID 29220—
Reactant5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochlorideHCID 66616406—
Product5-(3,4-Dimethoxyphenyl)-4,4-dimethyl-2-[1-(quinolin-8-ylsulfonyl)piperidin-4-yl]-2,4-dihydro-3H-pyrazol-3-oneHCID 46202064—

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 quinoline-8-sulfonyl chloride 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 numberUS09340522B2
Source datasetuspto-grants-2016_05
ORD IDord-4969b166039c4a9a895fce92694f43b1
Source noteuspto-grants-2016_05