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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1294365Generated: November 2, 2026

Triethylamine → (trans)-3-[3-(4-Bromo-phenyl)-acryloyl]-4-methyl-5-phenyl-oxazolidin-2-one

https://huagongshe.com/reaction/1294365

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant(4R,5S)-(+)-4-Methyl-5-phenyl-2-oxazolidinoneHCID 2733812—
Reactantethyl (1R,2R)-2-(4-bromophenyl)cyclopropanecarboxylateHCID 66578655—
SolventAcetonitrileHCID 6342—
Product(trans)-3-[3-(4-Bromo-phenyl)-acryloyl]-4-methyl-5-phenyl-oxazolidin-2-oneHCID 69159075—

Reaction Steps

A mixture of 3-(4-bromo-phenyl)-1-imidazol-1-yl-propenone (1.05 eq) from Step 1, (4R, 5S)-(+)-4-methyl-5-phenyl-2-oxazolidinone (1.0 eq) or (−)-isomer and Et3N (1.2 eq) in CH3CN (0.2M) was refluxed overnight. The resulting mixture was cooled to rt, filtered on a pad of silica gel and concentrated. Crystallization in hexane:Et2O afforded the title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238706B2
Source datasetuspto-grants-2007_07
ORD IDord-43b4de3727ac4a31b776e4909e9ef10d
Source noteuspto-grants-2007_07