Abstract
The complexes of copper (II) chloride with quaternary ammonium salts grafted on various mineral supports (the modifications of SiO2 – KSK, silochrome, Perlkat) are highly active in two environmentally important processes: the reaction of carbon tetrachloride with alkanes and the oxidative coupling of thiols. The effectiveness of the catalysts depends on the transition metal, the ionic liquid, and the support nature. In CCl4 transformations, the highest activity is shown by the complexes with alkylamines derivatives grafted on silica with wide pores. In case of thiol oxidation, complexes with heterocycles derivatives grafted on Perlkat with narrow pores are most active. The effectiveness of the CCl4 transformations catalysts increases upon the addition of alcohol to the reaction mixture.
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