Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2237296Generated: October 30, 2026

4-Fluoroaniline → 1-(4-Fluorophenyl)-2-oxo-3-pyrrolidinecarboxylic acid

https://huagongshe.com/reaction/2237296

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-FluoroanilineHCID 9731—
Reactant6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dioneHCID 79720—
SolventDimethylformamideHCID 6228—
Product1-(4-Fluorophenyl)-2-oxo-3-pyrrolidinecarboxylic acidHCID 4182007—

Reaction Conditions

Temperature90 °C

Reaction Steps

To a solution of 6,6-dimethyl-5,7-dioxaspiro[2.5]-octane-4,8-dione (Aldrich, 51 mg, 0.3 mmol) in DMF (0.5 mL) at room temperature was added 4-fluoroaniline (Aldrich, 33 mg, 0.3 mmol). The reaction mixture was heated at 90° C. for 2 h, cooled to room temperature, and used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07714138B2
Source datasetuspto-grants-2010_05
ORD IDord-bef450bd44614d81803e4b0ec2404619
Source noteuspto-grants-2010_05