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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1712243Generated: October 31, 2026

Potassium Iodide → 6-Hydroxymethyl-4-(3-methoxypropyl)-4H-benzo[1,4]oxazin-3-one

https://huagongshe.com/reaction/1712243

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium IodideHCID 4875—
Reactant1-Chloro-3-methoxypropaneHCID 118927—
ReactantPotassium FluorideHCID 522689—
Reactant6-(Hydroxymethyl)-2H-1,4-benzoxazin-3(4H)-oneHCID 18452443—
SolventAcetonitrileHCID 6342—
Product6-Hydroxymethyl-4-(3-methoxypropyl)-4H-benzo[1,4]oxazin-3-oneHCID 53401196—

Reaction Steps

The suspension of 1.79 g of 6-hydroxymethyl-4H-benzo[1,4]oxazin-3-one, 2.20 ml of 1-chloro-3-methoxypropane, 10 g of KF on alumina and 0.033 g of potassium iodide in 150 ml of acetonitrile is stirred at reflux over 72 hours. The reaction mixture is cooled and clarified by filtration, and the filtrate is concentrated by evaporation to dryness. The title compound is obtained from the residue by means of flash chromatography (SiO2 60F). Rf=0.60 (9:1 dichloromethane-methanol); Rt=2.74.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07790715B2
Source datasetuspto-grants-2010_09
ORD IDord-047f45666a9a4055b6aef6a85dc55819
Source noteuspto-grants-2010_09