Preparation of oxirane compounds with titanasilsesquioxane...

Details Preparation of oxirane compounds with titanasilsesquioxane... Preparation of oxirane compounds with titanasilsesquioxane...

C - Chemistry, Metallurgy

07

D

C07D 303/04 (2006.01) C07D 301/19 (2006.01)

Patent

CA 2240785

A process for the preparation of an oxirane compound by reacting an olefinically unsaturated hydrocarbon with an organic hydroperoxide, in the presence of a catalyst comprising a titanasilsesquioxane of the general formula TiLR7Si7O12 and structural formula (I) wherein R is chosen from the group of cyclopentyl, cyclohexyl and cycloheptyl and L is chosen from the group of alkyl, cycloalkyl, alkylaryl, alkoxy, aryloxy, siloxy, amido and OH.

L'invention concerne un procédé de préparation d'un composé époxyde en faisant réagir un hydrocarbure oléfiniquement insaturé, avec un hydroperoxyde organique, en présence d'un catalyseur comprenant un titanasilsesquioxane de la formule générale TiLR7Si7O12 ayant la formule développée (I), dans laquelle R est choisi dans le groupe cyclopentyle, cyclohexyle et cycloheptyle et L est choisi dans le groupe alkyle, cycloalkyle, alkylaryle, alcoxy, aryloxy, siloxy, amido et OH.

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