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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 553417Generated: October 26, 2026

Toluene → 1-(4-(Pyrrolidin-1-yl)-5,6-dihydropyridin-1(2H)-yl)ethanone

https://huagongshe.com/reaction/553417

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
Reactantp-Toluenesulfonic acidHCID 6101—
ReactantPyrrolidineHCID 31268—
ReactantN-Acetyl-4-piperidoneHCID 122563—
SolventBenzeneHCID 241—
SolventWaterHCID 962—
Product1-(4-(Pyrrolidin-1-yl)-5,6-dihydropyridin-1(2H)-yl)ethanoneHCID 14105595—

Reaction Steps

In stage 1, the compound 1-acetyl-4-piperidinone is reacted in a reaction medium, preferably selected from the group consisting of toluene and benzene, with pyrrolidine in the presence of a catalytic quantity of an acid, preferably in the presence of p-toluenesulfonic acid, with refluxing on a water separator to yield the compound 1-(4-pyrrolidin-1-yl-3,6-dihydro-2H-pyridin-1-yl)-ethanone (A).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08048879B2
Source datasetuspto-grants-2011_11
ORD IDord-38c40b642d27481dbd3b111be1f93ccf
Source noteuspto-grants-2011_11