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Synthesis of 2, 2'-(4-Nitrophenyl)Dipyrromethanes Copper Complex and Its Catalytic Performance for Phenol Hydroxylation
Author(s): 
Pages: 138-143
Year: Issue:  2
Journal: Petrochemical Technology

Keyword:  dipyrromethanes22'-(4-nitrophenyl)dipyrromethanes copper complexphenol hydroxylationdihydroxybenzene;
Abstract: 以2,2'-(4-硝基苯基)二吡咯甲烷与Cu(CH3COO)2·H2O为原料,在甲醇溶液中成功合成了2,2′-(4-硝基苯基)二吡咯甲烷铜配合物;利用FTIR、元素分析及质谱对该配合物的结构进行了表征.以2,2'-(4-硝基苯基)二吡咯甲烷铜配合物为催化剂,进行苯酚羟基化反应,研究了反应条件对苯酚羟基化反应的影响.实验结果表明,反应的最佳条件为:催化剂用量50mg、苯酚浓度1.0 mol/L、30% (w) H2O21.8 mL、反应温度60℃、反应时间4h.在此条件下,苯酚转化率达63.5%,苯二酚的选择性达到100%(邻苯二酚和对苯二酚的选择性分别为50.2%和49.8%).重复使用实验结果表明,催化剂的重复使用性能较好.
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