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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 471966Generated: October 25, 2026

Triethylamine → (S)-2-methyl-1-(4-nitro-3-(trifluoromethyl)phenyl)pyrrolidine

https://huagongshe.com/reaction/471966

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant5-Fluoro-2-nitrobenzotrifluorideHCID 223094—
Reactant(S)-2-Methylpyrrolidine 4-methylbenzenesulfonateHCID 44118660—
SolventAcetonitrileHCID 6342—
Product(S)-2-methyl-1-(4-nitro-3-(trifluoromethyl)phenyl)pyrrolidineHCID 59395009100.1%

Reaction Conditions

Temperature82 °C

Reaction Steps

To a solution of (S)-2-methylpyrrolidine tosylate (10.6 g, 41.2 mmol) in acetonitrile (85 mL) was added 4-fluoro-1-nitro-2-(trifluoromethyl)benzene (6.6 g, 31.7 mmol) dropwise and followed by triethylamine (11.0 mL, 79.3 mmol) dropwise. The reaction was heated at 82° C. for 16 h. The reaction was quenched with water and extracted with ethyl acetate. The organic layer was washed with 1N HCl, then dried over Na2SO4 and concentrated in vacuo to yield (S)-2-methyl-1-(4-nitro-3-(trifluoromethyl)phenyl)pyrrolidine (8.7 g, quantitative yield). LC/MS m/z 275.3 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08633189B2
Source datasetuspto-grants-2014_01
ORD IDord-ee3f087ad5a64c26ab5f519aefdd032b
Source noteuspto-grants-2014_01