Complexation, thermal and catalytic studies of N-substituted piperazine, morpholine and thiomorpholine with some metal ions
作者:Mesut Kacan、Murat Turkyilmaz、Ferhat Karabulut、Ozlen Altun、Yakup Baran
DOI:10.1016/j.saa.2013.09.031
日期:2014.1
Several Cu(II), Pt(II) and Ni(II) complexes of N-substituted, piperazine (NN donor), morpholine (NO donor) and thiomorpholine (NS donor) derivatives were synthesized and their thermal behavior and catalytic activity in epoxidation reaction of cis-diphenylethylene were studied using oxygen sources NaOCl. The coordination compounds of Cu(II), Pt(II) and Ni(II) having general formula [MLCl]Cl, [ML2l]Cl2
合成了N-取代,哌嗪(NN施主),吗啉(NO施主)和硫代吗啉(NS施主)衍生物的几种Cu(II),Pt(II)和Ni(II)配合物,并研究了它们的热行为和催化环氧化活性使用氧气源NaOCl研究了顺二苯乙烯的反应。通式[MLCl] Cl,[ML 2 l] Cl 2或[ML] Cl 2的Cu(II),Pt(II)和Ni(II)的配位化合物具有围绕金属离子的四配位几何结构的固体已被隔离。通过光谱法和元素分析,磁测量,电导率和热分析鉴定所有配体和配合物。已经提出了用于所有复合体的方形平面结构。根据配体供体原子,几何形状和中心金属离子讨论了配合物的热稳定性。对于所选的金属离子,络合物具有相似的热行为。热重分析表明,对于大多数配合物,其热稳定性很高,随后在不同步骤中发生热分解。观察到分解过程为水消除,氯离子去除和有机配体的降解。