| abstract |
METHOD FOR ASYMMETRICALLY PREPARING AN EPOXIDE FROM ALYLIC OR HOMOALYLIC ALCOHOL: COMBINE IN A DRY MEDIUM HALOCARBIDE UNDER MODERATE CONDITIONS, (TEMPERATURE <80 ° C), A METALLIC ALCOXIDE DERIVATIVE OF A DERIVATIVE METHOD OF AN ACID DERIVATIVE BY HYDROXYL GROUPS, BEING TITANIUM OR TANTALUM METAL AND HAVING A COORDINATION NUMBER OF AT LEAST 4; WITH ALCOHOL AND AN ALKYL HYDROPEROXIDE, THEREFORE, ALYLIC AND HOMOALYLIC ALCOHOL IS ASYMMETRICALLY OXIDIZED TO FORM AN EPOXIDE. |