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Picolinic acid is a kind of organic oxo compound which is used extensively.The catalytic behaviour of RuCl 3·3H 2O as catalyst precursor and oxygen as oxidation reagent for the oxidation of γ methylpyridine to picolinic acid in aqueous alkaline medium were studied.When the oxidation reaction carried out under the following conditions:[RuCl 3·3H 2O]=1.4×10 -5 mol,P O2 :4MPa,reaction temperature:210℃,reaction time:4h,substrate: 0.011mol ,water:6ml,the conversion of γ methylpyridine and the selectivity of γ picolinic acid respectively reached 64% and 91%.
Picolinic acid is a kind of organic oxo compound which is used extensively. The catalytic behavior of RuCl 3 · 3H 2O as catalyst precursor and oxygen as oxidation reagent for the oxidation of γ methylpyridine to picolinic acid in aqueous alkaline medium studied .When the oxidation reaction carried out under the following conditions: [RuCl 3 .3H 2 O] = 1.4 × 10 -5 mol, P O2: 4 MPa, reaction temperature: 210 ° C., reaction time: 4 h, substrate: 0.011 mol, water: 6 ml, the conversion of γ methylpyridine and the selectivity of γ picolinic acid specifically reached 64% and 91%.