Selective aqueous oxidation of alcohols catalyzed by copper (II) phthalocyanine nanoparticles |
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Institution: | 1. Department of Chemistry, Sharif University of Technology, Tehran, Iran;2. School of Medicine, Tehran University of Medical Sciences, Tehran, Iran;3. Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, P.O. Box 14395-1561, Tehran, Iran |
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Abstract: | A new catalyst based on metallophthalocyanine nanoparticles has been synthesized and characterized by scanning electron microscopy (SEM). The aqueous oxidation of alcohols to the corresponding carbonyl compounds (aldehydes and ketones) has been studied using tetra-n-butyl-ammonium-peroxo-monosulfate (n-Bu4NHSO5) as an oxidant and a catalytic system consisting of copper (II) phthalocyanine nanoparticles in water. The highly selective oxidation gave excellent yields of related aldehydes or ketones without remarkable over-oxidation of the carboxylic acids. Organic co-solvents, surfactants, and co-catalysts were not used in this catalytic strategy. This strategy was green and time effective. The oxidant's by-product (TBAHSO4) and catalyst can be efficiently recovered and reused several times without any significant change of catalytic activity. |
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Keywords: | Phthalocyanine nanoparticles Oxidation Alcohol Oxon Carbonyl |
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