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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1634597Generated: November 1, 2026

Benzyl Bromide → 2-(1-hydroxyethyl)-3-benzyloxy-6-methyl-pyran-4(1H)-one

https://huagongshe.com/reaction/1634597

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
Reactant2-(1-hydroxyethyl)-3-hydroxy-6-methyl-pyran-4(1H)-oneHCID 10797228—
Product2-(1-hydroxyethyl)-3-benzyloxy-6-methyl-pyran-4(1H)-oneHCID 18678806—

Reaction Steps

The title compound was prepared by the method outlined for 2-hydroxymethyl-3-benzyloxy-6-methyl-pyran-4(1 )-one, using 8.5 g (50 mmol, 1 eq.) of 2(1-hydroxyethyl)-3-hydroxy-6-methyl-pyran-4(1H)-one and 9.5 g benzyl bromide (55 mmol, 1.1 eq.) to yield the pure product 10.1 g (77.7%) after recrystallisation from CH2Cl2/Pet. ether 40/60, as a white crystalline solid. m.p 91-92° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06506911B2
Source datasetuspto-grants-2003_01
ORD IDord-03c81992b7c34864bcbec08e7ede1f9c
Source noteuspto-grants-2003_01