| .METATHESIS OF 1-HEXENE OVER MOLYBDENUM AND TUNGSTEN CATALYSTS IMMOBILIZED ON POLYMERS[J].分子催化,1989,(Z1): |
| METATHESIS OF 1-HEXENE OVER MOLYBDENUM AND TUNGSTEN CATALYSTS IMMOBILIZED ON POLYMERS |
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| 中文摘要: |
| Molybdenum and tungsten components in catalysts Bu_4N〔Mo(CO)_5Cl〕-EtAlCl_2andWCl_6-Bu_4Sn were immobilized respectively on polymers.The influence of immobilization ofthe soluble catalysts on their catalytic behavior in the metathesis of 1—hexene was investi-gated.It has been found that polystyrene is a good supporting material among all thepolymers tested.The immobilized catalysts have higher stability and better selectivity incomparison with their homogeneous equivalents.The metathesis yield of 1-hexene is in-creased by fourfold with WCl_6immobilized on polystyrene.The reason for the increase ofstability of the immobilized catalyst is discussed. |
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