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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1918567Generated: November 1, 2026

m-Toluidine → 1-(3-Methylphenyl)-2-oxopyrrolidine-3-carboxylic acid

https://huagongshe.com/reaction/1918567

Reaction equation

Participants

RoleNameHCIDCharge
Reactantm-ToluidineHCID 7934—
Reactant6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dioneHCID 79720—
SolventEthanolHCID 702—
Product1-(3-Methylphenyl)-2-oxopyrrolidine-3-carboxylic acidHCID 457630984%

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 (0.250 g, 1.47 mmol) and m-toluidine (0.470 mL; 4.41 mmol) in ethanol (3 mL). 2-oxo-1-m-tolylpyrrolidine-3-carboxylic acid 0.270 g (84%) was obtained as a pink film.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618138B2
Source datasetuspto-grants-2013_12
ORD IDord-05000a49e3c84230b9de2a6f8de9e51a
Source noteuspto-grants-2013_12