Abstract
The hybrid complex consist of molybdenylacetylacetonate complex covalently linked to a lacunary Keggin-type polyoxometalate, was synthesized and characterized by elemental analysis, SEM, diffuse reflectance UV–Vis and FT-IR spectroscopic methods. The hybrid complex, [MoO 2 (acac)–POM], was used for alkene epoxidation with tert -BuOOH in 1,2-dichloroethane as solvent. This heterogeneous catalyst was reused several times in the oxidation of cyclooctene. The hybrid complex consist of molybdenylacetylacetonate complex covalently linked to a lacunary Keggin-type polyoxometalate, K 8 [SiW 11 O 39 ] (POM), was synthesized and characterized by elemental analysis, SEM, XRD, diffuse reflectance UV–Vis and FT-IR spectroscopic methods. The hybrid complex, [MoO 2 (acac)–POM] ( 1 ), was used for alkene epoxidation with tert -BuOOH in 1,2-dichloroethane as solvent. The complex ( 1 ) can catalyze epoxidation of various olefins including non-activated terminal olefins. The effect of reaction parameters such as oxidant, solvent, and temperature on the epoxidation of cyclooctene was also investigated. This heterogeneous catalyst was reused several times in the oxidation of cyclooctene.
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