Patent ID: 7161046
Filing Date: 2007-01-09
Classification: C07C

Abstract:
1. A process for the preparation of alkylene glycols comprising reacting an alkylene oxide with water in the presence of a compound selected from the group consisting of wherein R 3-7 are hydrogen, alkyl or cycloalkyl and may be same or different, R 2 is hydrogen, alkyl or aryl or cycloalkyl or alkylamino of two to six carbon atoms, halogen, alkenyl of two to six carbon atoms, hydroxyl, nitro, thiol, amine, amino, imine, amide, phosphoryl, phosphonate, phosphine or carbonyl, wherein the process is carried out at a molar ratio of water to alkylene oxide in the range from about 5 to 25, and wherein the compound is not non-racemic.