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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 273699Generated: October 26, 2026

4-Chlorobenzenesulfonyl chloride → 3-Cyanomethyl-1-(4-chlorophenylsulfonyl)pyrrolidine

https://huagongshe.com/reaction/273699

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorobenzenesulfonyl chlorideHCID 7398—
ReactantTriethylamineHCID 8471—
Reactant2-(Pyrrolidin-3-yl)acetonitrile hydrochlorideHCID 20078139—
SolventChloroformHCID 6212—
Product3-Cyanomethyl-1-(4-chlorophenylsulfonyl)pyrrolidineHCID 20078166101.1%

Reaction Steps

Acylation, in chloroform, of 36.6 g (0.25 mol) of 3-cyanomethylpyrrolidine hydrochloride with 52.7 g (0.25 mol) of para-chlorophenylsulfonic acid chloride, in the presence of 50.5 g (0.5 mol) of triethylamine makes it possible to obtain 72 g of a solid which is purified by chromatography on silica, Merck 70-230 mesh, using as eluent a dichloromethane/methanol mixture (99/1 v/v).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05387591
Source datasetuspto-grants-1995_02
ORD IDord-f57e2c7f26ac4a6085f3586e6f76abbd
Source noteuspto-grants-1995_02