Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
Molecules. 2018 Dec 23;24(1):47. doi: 10.3390/molecules24010047.
One-dimensional (1D) polynuclear Cu(II) complex () derived from (5-bromo-2-hydroxybenzylidene)-2-hydroxybenzohydrazide (H₂L) is synthesized and characterized by elemental analysis, IR spectroscopy, ESI-MS, and single crystal X-ray crystallography. Its catalytic performance towards the solvent-free microwave-assisted peroxidative oxidation of aliphatic and aromatic hydrocarbons under mild conditions is compared with that of dinuclear Cu(II) complexes ( and ) of the same ligand, previously reported as antiproliferative agents. Polymer exhibits the highest activity, either for the oxidation of cyclohexane (leading to overall yields, based on the alkane, of up to 39% of cyclohexanol and cyclohexanone) or towards the oxidation of toluene (selectively affording benzaldehyde up to a 44% yield), after 2 or 2.5 h of irradiation at 80 or 50 °C, respectively.
一维(1D)多核 Cu(II) 配合物()由(5-溴-2-羟基苯亚甲基)-2-羟基苯甲酰肼(H₂L)合成,并通过元素分析、红外光谱、ESI-MS 和单晶 X 射线晶体学进行了表征。在温和条件下,其对脂肪族和芳香族烃无溶剂微波辅助过氧化物氧化的催化性能与双核 Cu(II) 配合物(和)进行了比较,该配合物是先前报道的具有抗增殖作用的配体。聚合物在 80 或 50°C 下分别辐照 2 或 2.5 小时后,对环己烷(根据烷烃计算,环己醇和环己酮的总收率高达 39%)或甲苯(选择性生成苯甲醛,收率高达 44%)的氧化表现出最高的活性。