Polymer-supported methyltrioxorhenium (MTO) systems are efficient catalysts for the oxidative functionalisation of cyclohexane and cyclopentane derivatives with H2O2 as oxygen donor. Using poly(4-vinyl)pyridine and poly(4-vinyl)pyridine-N-oxide as MTO supports, cycloalkanol, cycloalkanediol, cycloalkanone and ω-hydroxy methyl ketone derivatives were obtained in different yields depending on the experimental
聚合物负载的甲基三氧合hen(MTO)系统是用于以H 2 O 2为氧供体的环己烷和环戊烷衍生物的氧化功能化的有效催化剂。使用聚(4-乙烯基)吡啶和聚(4-乙烯基)吡啶-N-氧化物作为MTO载体,取决于实验条件,以不同的产率获得了环烷醇,环烷二醇,环烷酮和ω-羟基甲基酮衍生物。有趣的是,当用聚苯乙烯微囊化的MTO催化剂进行氧化时,以可接受的收率以良好的收率选择性回收环烷二聚体。所述EPR调查表明,CH的均裂3 -Re键与地层的CH 3 自由基发生在聚苯乙烯胶囊内部,表明甲基自由基可能在环烷二聚途径中发挥作用。