کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
65697 | 48400 | 2013 | 10 صفحه PDF | دانلود رایگان |
• Encapsulation of ruthenium salophen on dealuminated zeolite Y.
• A heterogeneous catalyst was prepared.
• The catalyst was used for size selective epoxidation of alkenes.
• The catalyst was reusable.
Zeolite-encapsulated ruthenium(III) salophen (ZERS) was prepared by flexible ligand method and characterized by diffuse reflectance FT-IR and UV–vis spectroscopic methods, X-ray diffraction, BET, SEM, TEM and elemental analysis. The amount of Ru-salophen in the zeolite supercages was 0.018 mmol/g of encapsulated zeolite. This catalyst was used for efficient and selective epoxidation of different alkenes with NaIO4 under magnetic stirring and ultrasonic irradiation conditions. This catalyst also showed a good shape-selectivity in the epoxidation of linear alkenes. This heterogeneous catalyst was reused several times without significant loss of its catalytic activity.
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Journal: Journal of Molecular Catalysis A: Chemical - Volume 377, October 2013, Pages 92–101