METHOD FOR PREPARING DIALKYLOXYDIANHYROHEXITOL BY ETHERIFICATION OF DIANHYDROHEXITOL USING A LIGHT ALCOHOL, IN THE PRESENCE OF AN ACIDIC CATALYST

• Main Authors: PERRARD, ALAIN, FECHE, CYRIL, ESSAYEM, NADINE, IBERT, MATHIAS
• Format: Patent
• Language: English; French; German
• Published: 24.06.2015
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY

A method for preparing a dialkyloxydianhyrohexitol (dimethylisosorbide) composition by etherification of dianhydrohexitol (isosorbide). The aim is to achieve a "clean" method that avoids the use of a methylation agent such as dimethyl sulfate or methyl chloride, which generates stoechiomet...