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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1692093Generated: November 2, 2026

4-Benzyl-3-pent-4-enoyl-1,3-oxazolidin-2-one → (S)-4-Benzyl-3-[(R)-2-(4-benzyloxy-2,6-dichloro-benzyl)-pent-4-enoyl]-oxazolidin-2-one

https://huagongshe.com/reaction/1692093

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Benzyl-3-pent-4-enoyl-1,3-oxazolidin-2-oneHCID 15597770—
Reactant2-Bromomethyl-1,3-dichloro-5-benzyloxy-benzeneHCID 59299428—
ReactantHCID 178418261HCID 178418261—
SolventTetrahydrofuranHCID 8028—
Product(S)-4-Benzyl-3-[(R)-2-(4-benzyloxy-2,6-dichloro-benzyl)-pent-4-enoyl]-oxazolidin-2-oneHCID 66905125—

Reaction Conditions

Temperature-78 °C

Reaction Steps

Dissolve 4-Benzyl-3-pent-4-enoyl-oxazolidin-2-one (2.21 g, 8.52 mmol) in 25 ml of dry THF. Chilled to −78° C. Add LiN(TMS)2 (10.23 ml, 10.23 mmol). Stir for 30 min at same temperature. Add 5-Benzyloxy-2-bromomethyl-1,3-dichloro-benzene (3.10 g, 8.95 mmol) in 5 ml of THF. Let the reaction slowly warm to room temperature.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08153807B2
Source datasetuspto-grants-2012_04
ORD IDord-b95a392fc67a46618b6465454907f492
Source noteuspto-grants-2012_04