| abstract |
The present invention relates to a process for the preparation of an oxirane compound, reacting an olefinic compound with an organic hydroperoxide, by employing a heterogeneous catalyst, which is essentially insoluble in the reaction mixture, the titanium catalyst comprising in chemical combination with a solid silica and / or an inorganic silicate, characterized in that a catalyst obtainable by means of: a) impregnation of the silicon compound with a stream of gaseous titanium tetrachloride is used, b) calcination of the product obtained from step a) , and c) hydrolysis of the product from step b). |