【摘要】 Fe³⁺和漆酚树脂催化H₂O₂氧化苯时.苯酚产率为28％,选择率达91％,漆酚树脂可以多次重复使用和再生。每次使用后苯酚产率下降约0.7％,连续使用5次后再生的漆酚树脂用于催化时,苯酚产率达30％。IR图谱和吸氧测定表明,在催化过程中漆酚树脂比较稳定,虽然有小部分羟基被氧化为羰基,但对催化结果影响不大。在Fe³⁺和漆酚树脂催化H₂O₂。氧化苯的反应中,反应温度、H₂O₂浓度、溶液酸度对苯酚产率的影响与用Fe³⁺和漆酚作催化剂时对苯酚产率的影响相似。但漆酚树脂与Fe³⁺络合时并不象漆酚那样与Fe³⁺间有严格的比例关系。更多还原

【Abstract】 Oxidation of benzene with H2O2 using Fe3+ and urushiol resin as catalyst is studied and the yield of phenol is 28% ,selectivity is 91%. Urushiol resin can be reused a lot of times and can be regenerated too, but the yield of phenol decreases by ca. 0. 7% after every time of use. The yield of phenol reaches 30% when regenerated urushiol resin (reused for five times before regeneration) is used as catalyst. It is shown by IR spectrum and oxygen absorption that urushiol resin is fairly stable in the reaction in spite of the fact that some of its hydroxyls are oxidized into carbonyls. In the reaction of oxidation of benzene with H2O2 using Fe3+ and urushiol resin as catalyst ,the effect of reaction temperature ,H2O2 concentration, and pH on yield of phenol is the same as that in the case of using Fe3+ and urushiol as catalyst. Nevertheless,the proportion between Fe3+ and urushiol in the complex is not so strict as in the case of Fe3+ and urushiol.更多还原