FIELD: oxidation catalysts. SUBSTANCE: invention relates to preparation of carrier-fixed homogeneous catalysts that can be used for liquid-phase and gas-phase processes of oxidation of unsaturated compounds. Invention proposes consecutive treatment of dehydrated zeolite calcium with dipropyl ketone and benzidine in boiling organic solvent followed by addition of cupric arylhydrazoniminates and refluxing mixture for 1 to 3 h. EFFECT: increased maximum cyclohexene conversion degree in liquid-phase molecular oxygen-oxidation process in average by 10-12% (from 49 to 61%). 2 ex
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