作者:I. M. Ganiev、E. S. Ganieva、N. N. Kabal’nova
DOI:10.1007/s11172-005-0114-x
日期:2004.10
The oxidation of different phenols, viz., phenol, 3-methylphenol, 4-methylphenol, 4-tert-butylphenol, 2-cyclohexylphenol, 2,6-di-tert-butyl-4-methylphenol, and 2,4-dichlorophenol, with chlorine dioxide in acetonitrile was studied spectrophotometrically. The reaction rate is described by a second-order equation w = k[PhOH]· [ClO2]. The rate constants were measured and activation parameters of oxidation were determined in a temperature interval of 10–60°C. A dependence of the reaction rate constant on the phenol structure was found. The oxidation products were identified, and their yields were established.
研究了不同酚类(即苯酚、3-甲基苯酚、4-甲基苯酚、4-叔丁基苯酚、2-环己基苯酚、2,6-二叔丁基-4-甲基苯酚和2,4-二氯苯酚)在乙腈中与二氧化氯的氧化反应,通过分光光度法进行研究。反应速率由二级方程 w = k[PhOH]·[ClO2] 描述。在10-60°C的温度区间内测定了速率常数并确定了氧化反应的活化参数。发现反应速率常数与酚的结构有关。鉴定了氧化产物并确定了其产率。