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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494543Generated: October 30, 2026

2-Methylbenzenesulfonic acid → HCID 15007047, compound

https://huagongshe.com/reaction/1494543

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methylbenzenesulfonic acidHCID 6925—
ReactantCycloheptanoneHCID 10400—
ReactantPyrrolidineHCID 31268—
ReactantMethacrylonitrileHCID 31368—
SolventAcetic AcidHCID 176—
SolventEthanolHCID 702—
SolventTolueneHCID 1140—
ProductHCID 15007047HCID 15007047—

Reaction Steps

Cycloheptanone was converted to an enamine by reaction with pyrrolidine in toluene solvent and in the presence of toluenesulphonic acid. The enamine was alkylated with methacrylonitrile in ethanol solvent and hydrolysed using acetic acid according to the procedure of Stark et al, J. Amer. Chem, Soc., 85, 207 (1963) to give 2-(2-cyanopropyl)cycloheptanone (bp 100° C./0.02 mmHg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026854
Source datasetuspto-grants-1991_06
ORD IDord-1870cd19c4344b5185d0013778df8455
Source noteuspto-grants-1991_06