Oxidation of Cyclohexane Catalyzed by NHPI and CoSPc
Yuzhi Xiang
Abstract
Yuzhi Xiang
Abstract
The oxidation of cyclohexane catalyzed by N-hydroxyphthalimide(NHPI) and cobalt sulphonated phthalocyanine(CoSPc) was investigated,in which GC was used to analyze the composition of oxidation products.According to the standard sample,in addition to the normal products,cyclohexanone and cyclohexanol,cyclohexanol acetate was also found and verified.The effect of reaction time,temperature,the amount of NHPI and/or CoSPc on the oxidation reaction was examined,and the optimal reaction conditions of cyclohexane oxidation were as follows: reaction time 2 h,reaction temperature 80 ℃,n(cyclohexane)∶ n(NHPI)=10∶ 1,n(NHPI)∶ n(CoSPc)=6∶ 1.Under the optimal conditions,10.5% yield of cyclohexanone,1.1% of cyclohexanol and 0.4% of cyclohexanol acetate were obtained,and the total yield reached 12.0%.
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The oxidation of cyclohexane catalyzed by N-hydroxyphthalimide(NHPI) and cobalt sulphonated phthalocyanine(CoSPc) was investigated,in which GC was used to analyze the composition of oxidation products.According to the standard sample,in addition to the normal products,cyclohexanone and cyclohexanol,cyclohexanol acetate was also found and verified.The effect of reaction time,temperature,the amount of NHPI and/or CoSPc on the oxidation reaction was examined,and the optimal reaction conditions of cyclohexane oxidation were as follows: reaction time 2 h,reaction temperature 80 ℃,n(cyclohexane)∶ n(NHPI)=10∶ 1,n(NHPI)∶ n(CoSPc)=6∶ 1.Under the optimal conditions,10.5% yield of cyclohexanone,1.1% of cyclohexanol and 0.4% of cyclohexanol acetate were obtained,and the total yield reached 12.0%.
Key concepts: Cyclohexanol, Cyclohexane, Cyclohexanone, Yield (engineering), Catalysis, Chemistry, Cobalt, Reaction conditions