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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1918574Generated: November 3, 2026

p-Aminoacetophenone → 1-(4-Methylphenyl)-2-oxo-3-pyrrolidinecarboxylic acid

https://huagongshe.com/reaction/1918574

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-AminoacetophenoneHCID 7468—
Reactant6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dioneHCID 79720—
SolventEthanolHCID 702—
Product1-(4-Methylphenyl)-2-oxo-3-pyrrolidinecarboxylic acidHCID 3362315246.8%

Reaction Steps

This compound was prepared according to general method 1 starting from 6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione (0.500 g, 2.94 mmol) and 1-(4-aminophenyl)ethanone (1.19 g, 1.19 mmol) in ethanol (3 mL). 2-oxo-1-p-tolylpyrrolidine-3-carboxylic acid 0.644 g (quantitative) was obtained as a bright yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618138B2
Source datasetuspto-grants-2013_12
ORD IDord-81deef5a716d4ffbac81098960dc0466
Source noteuspto-grants-2013_12