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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 748040Generated: October 31, 2026

4-Chlorobenzenesulfonyl chloride → 4-Chloro-N-{2-ethyl-1-[1-(4-methoxybenzyl)-1H-pyrazol-5-yl]butyl}benzenesulfonamide

https://huagongshe.com/reaction/748040

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorobenzenesulfonyl chlorideHCID 7398—
ReactantSulfuryl chlorideHCID 24648—
Reactant{2-ethyl-1-[1-(4-methoxybenzyl)-1H-pyrazol-5-yl]butyl}amineHCID 68593849—
Product4-Chloro-N-{2-ethyl-1-[1-(4-methoxybenzyl)-1H-pyrazol-5-yl]butyl}benzenesulfonamideHCID 1143114652%

Reaction Steps

The compound of example 2 was synthesized from {2-ethyl-1-[1-(4-methoxybenzyl)-1H-pyrazol-5-yl]butyl}amine in a manner similar to that of example 1 but using 4-chlorobenzenesulfonyl chloride as the sulfonyl chloride in step 1 D. The product was isolated as white foam in 52% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07399778B2
Source datasetuspto-grants-2008_07
ORD IDord-149ff1904f754a70bdf33f0142ec00dc
Source noteuspto-grants-2008_07