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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524153Generated: October 30, 2026

2-Bromobenzenesulfonyl chloride → HCID 46203050, compound

https://huagongshe.com/reaction/524153

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Bromobenzenesulfonyl chlorideHCID 520403—
Reactant5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one hydrochlorideHCID 66616406—
ProductHCID 46203050HCID 46203050—

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 2-bromobenzenesulfonyl 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-db27846ad44f4e5db8a567da5167e83b
Source noteuspto-grants-2016_05