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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 58593Generated: October 26, 2026

3,4-Difluoroaniline → 1-(3,4-Difluorophenyl)-2-oxopyrrolidine-3-carboxylic acid

https://huagongshe.com/reaction/58593

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DifluoroanilineHCID 77469—
Reactant6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dioneHCID 79720—
SolventEthanolHCID 702—
Product1-(3,4-Difluorophenyl)-2-oxopyrrolidine-3-carboxylic acidHCID 2427525370%

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; 1.45 mmol) and 3,4-difluoroaniline (0.442 mL; 4.36 mmol) in ethanol (3 mL). 1-(3,4-difluorophenyl)-2-oxopyrrolidine-3-carboxylic acid 0.172 g (70%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09434722B2
Source datasetuspto-grants-2016_09
ORD IDord-8111717e63794e969154dac5bcb82257
Source noteuspto-grants-2016_09