Selective Allylic Oxidation of Terpenic Olefins Using Co-Ag Supported on SiO[sub.2] as a Novel, Efficient, and Recyclable Catalyst

Co-Ag supported on the SiO[sub.2] catalyst was synthesized by the sol-gel method and characterized using XRD, FT-IR, TG-DTG, BET, CV, and SEM/EDX analysis. The catalytic performance of the resulting catalyst was examined by the oxidation of mono and sesquiterpenic olefins using hydrogen peroxide and tert-butyl peroxide as oxidant agents. Various parameters such as catalyst amount, temperature, and solvents have been studied. The Co-Ag supported on the SiO[sub.2] catalyst showed a high activity, selectivity, and recyclability for the selected oxidation reaction.