Preparation of oxirane compounds with titanasilsesquioxane catalysts
US5750741A · kind A · utility
56Cited by
2References
11Claims
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Key dates
| Filing date | Jan 15, 1997 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Jan 15, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
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 TiLR.sub.7 Si.sub.7 O.sub.12 and the structural formula ##STR1## 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.