Patent ID: 9586922
Date: 2017-03-07
CPC Classifications: C07D

Claim:
1. A method for purifying 5-(halomethyl)furfural, comprising: a) providing a 5-(halomethyl)furfural composition to a purification apparatus, wherein the 5-(halomethyl)furfural composition comprises 5-(halomethyl)furfural and one or more impurities, and wherein the 5-(halomethyl)furfural composition has a mass ratio of the one or more impurities to the 5-(halomethyl)furfural; b) providing a solvent to the purification apparatus, wherein the solvent has a boiling point at or above the boiling point of the 5-(halomethyl)furfural; c) contacting the 5-(halomethyl)furfural composition and the solvent to form a mixture; and d) boiling the mixture to produce a gaseous 5-(halomethyl)furfural, wherein the gaseous 5-(halomethyl)furfural has a mass ratio of the one or more impurities to the 5-(halomethyl)furfural that is lower than the mass ratio for the 5-(halomethyl)furfural composition.