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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1279401Generated: October 27, 2026

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

https://huagongshe.com/reaction/1279401

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
Reactant2-hydroxymethyl-3-benzyloxy-6-methyl-pyran-4(1H)-oneHCID 11139409—
Reactant2-(1-hydroxyethyl)-3-hydroxy-pyran-4(1H)-oneHCID 18678805—
Product2-(1-hydroxyethyl)-3-benzyloxy-pyran-4(1H)-oneHCID 18678815—

Reaction Steps

The title compound was prepared by the method outlined for 2-hydroxymethyl-3-benzyloxy-6-methyl-pyran-4(1H)-one, using 4.68 g (30 mmol, 1 eq.) of 2-(1 -hydroxyethyl)-3-hydroxy-pyran-4(1H)-one and 5.64 g benzyl bromide (33 mmol, 1.1 eq.) to yield the pure product 6.1 g (82%) after recrystallisation from CH2Cl2/Pet. ether 40/60, as a white crystalline solid. m.p 97-100° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06448273B1
Source datasetuspto-grants-2002_09
ORD IDord-646ef4a5493b45c48ec3c182a0f16613
Source noteuspto-grants-2002_09