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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1868008Generated: October 31, 2026

1-(3,5-Dichloropyridin-4-yl)piperazine → (3,4-Dichlorophenyl)methanesulfonyl chloride

https://huagongshe.com/reaction/1868008

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(3,5-Dichloropyridin-4-yl)piperazineHCID 2799984—
ReactantHCID 24746265HCID 24746265—
Product(3,4-Dichlorophenyl)methanesulfonyl chlorideHCID 279462261%

Reaction Steps

In an analogous manner to Example 1F, step 1Q 1-[(3,4-dichlorobenzyl)sulfonyl]-4-(3,5-dichloropyridin-4-yl)piperazine was prepared from 1-(3,5-dichloro-4-pyridyl)piperazine (0.1 g, 0.43 mmol) and 3,4-dichlorophenylmethyl sulfonyl chloride (61% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07632838B2
Source datasetuspto-grants-2009_12
ORD IDord-5fb5e28f7ab14f2595da9cc9079fc8e4
Source noteuspto-grants-2009_12