Author:
Kulakova Alena,Bilyachenko Alexey,Khrustalev Victor,Zubavichus Yan,Dorovatovskii Pavel,Shul’pina Lidia,Bantreil Xavier,Lamaty Frédéric,Shubina Elena,Levitsky Mikhail,Shul’pin Georgiy
Abstract
Unprecedented germanium-based sesquioxane exhibits an extremely high nuclearity (Cu42Ge24Na4) and unusual encapsulation features. The compound demonstrated a high catalytic activity in the oxidative amidation of alcohols, with cost-effective catalyst loading down to 400 ppm of copper, and in the oxidation of cyclohexane and other alkanes with H2O2 in acetonitrile in the presence of nitric acid. Selectivity parameters and the mode of dependence of initial cyclohexane oxidation rate on initial concentration of the hydrocarbon indicate that the reaction occurs with the participation of hydroxyl radicals and alkyl hydroperoxides are formed as the main primary product. Alcohols have been transformed into the corresponding ketones by the catalytic oxidation with tert-butyl hydroperoxide.
Subject
Physical and Theoretical Chemistry,Catalysis
Cited by
14 articles.
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