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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1914082Generated: October 31, 2026

2-Bromobenzenesulfonyl chloride → HCID 46203050, compound

https://huagongshe.com/reaction/1914082

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 numberUS08609848B2
Source datasetuspto-grants-2013_12
ORD IDord-43758c94ece744e9826b562d004b0bcc
Source noteuspto-grants-2013_12