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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1712200Generated: October 26, 2026

Toluene → (2S)-2-(3,4-Difluorophenyl)oxirane

https://huagongshe.com/reaction/1712200

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
ReactantSodium HydroxideHCID 14798—
Reactant(alphaS)-alpha-(Chloromethyl)-3,4-difluorobenzenemethanolHCID 25324204—
SolventWaterHCID 962—
Product(2S)-2-(3,4-Difluorophenyl)oxiraneHCID 3007053996%

Reaction Conditions

Temperature40 °C

Reaction Steps

A mixture of (1S)-2-chloro-1-(3,4-difluorophenyl)-1-ethanol (net 11.47 g, 59.5 mmol), toluene (25.23 g), sodium hydroxide (2.53 g, 1.06 molar equivalents) and water (24.25 g) was stirred and heated at 40° C. for 1 hour. The organic layer was separated, washed with water, and concentrated under reduced pressure. (2S)-2-(3,4-difluorophenyl)oxirane was obtained as resultant concentrate (net 8.94 g, yield: 96%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07790927B2
Source datasetuspto-grants-2010_09
ORD IDord-eaf7a14bee3549f791422820e3815e98
Source noteuspto-grants-2010_09