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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 928084Generated: October 30, 2026

Sodium Hydroxide → (R)-1-ethyl-2-[2-(3-fluorophenyl)ethyl]pyrrolidine

https://huagongshe.com/reaction/928084

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantSodium BisulfateHCID 516919—
ReactantAluminium lithium hydrideHCID 21226445—
Reactant1-{(R)-2-[2-(3-fluorophenyl)ethyl]pyrrolidin-1-yl}ethanoneHCID 70983713—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product(R)-1-ethyl-2-[2-(3-fluorophenyl)ethyl]pyrrolidineHCID 7100700290.8%

Reaction Steps

A solution of 1-{(R)-2-[2-(3-fluorophenyl)ethyl]pyrrolidin-1-yl}ethanone (Intermediate 232, 0.48 g) in THF (20 mL) was cooled to 0° C. and treated with a solution of lithium aluminum hydride (2M in THF, 3.6 mL) under an atmosphere of nitrogen. The resultant mixture was allowed to warm to room temperature before heating to 60° C. overnight. The mixture was cooled to 0° C. and treated with water (0.35 ml), 4N sodium hydroxide solution (0.35 ml) and further water (0.9 ml). Sodium bisulphate powder was added to the suspension and the slurry was filtered through Celite and the filtrate was evaporated to dryness to give (R)-1-ethyl-2-[2-(3-fluoro-phenyl)ethyl]pyrrolidine (0.41 g) as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09290472B2
Source datasetuspto-grants-2016_03
ORD IDord-27b36a7653544f2b841fe4873afeded9
Source noteuspto-grants-2016_03