NiBr2 Catalyst for the Oxidation of Alcohols and Aldehydes using NaClO: Kinetic Studies

Journal of Chemical Reactivity and Synthesis

مقاله 3، دوره 9، شماره 1، خرداد 2019، صفحه 25-40   

نوع مقاله: Research Article

نویسنده

Roya Ranjineh Khojasteh^*

Department of Inorganic Chemistry, Faculty of Chemistry, Tehran North Branch, Islamic Azad University, Tehran, Iran.

چکیده

By exposing to NaClO aqueous solution (commercial bleach), NiBr₂ is transformed quantitatively into an insoluble nickel oxide hydroxide species. This compound contains large surface area and is a beneficial heterogeneous catalyst for oxidizing numerous organic materials. The oxidation of aldehydes and primary alcohols to carboxylic acids and secondary alcohols to ketones is showed with 1 mol % of NiBr₂ catalyst and NaClO as the terminal oxidant. It is demonstrated that the controlled and selective oxidizing of numerous organic compounds with this system resulting in 55-95 % separation yields and 87-95 % purity. In most cases, the oxidations can be carried out with no organic solvent, causing this method attractive as a “greener” substitute to traditional oxidations.

کلیدواژه‌ها

Heterogeneous catalyst؛ NaClO؛ NiBr2؛ Oxidation؛ Alcohols؛ Aldehydes