Spectroscopic, Magnetic and Biological Studies on Some Metal(II) Complexes of 3-(4,6-Dimethyl-2Pyrimidinylamino)-1-Phenyl-2-Butenone and the Mixed Complexes with 2,2′ -Bipyridine and 1,10-Phenanthroline
作者:A. A. Osowole、G. A. Kolawole、R. Kempe、O. E. Fagade
DOI:10.1080/15533170902785109
日期:2009.4.22
Mn(II), Co(II), Ni(II) and Cu(II) complexes of the β -ketoimine, [(C 6 H 5 )C:OCH:C(CH 3 )NH(C 6 H 7 N 2 )], and their mixed complexes with 2,2′ -dipyridine (bipy) and 1,10-phenanthroline (phen) are synthesized. The ligand, though containing four donor atoms, was bidentate, coordinating with O and imine N. 1 Hnmr reveals that the ligand exists, predominantly, as ketoimine in polar solvent, but as enolimine
β-酮亚胺,[(C 6 H 5)C:OCH:C(CH 3)NH(C 6 H 7 N 2)的Mn(II),Co(II),Ni(II)和Cu(II)配合物)],并合成了它们与2,2'-二吡啶(bipy)和1,10-菲咯啉(phen)的混合配合物。该配体尽管含有四个供体原子,但是双齿的,与O和亚胺N配位。1个 Hnmr揭示该配体主要以酮亚胺的形式存在于极性溶剂中,但以烯醇胺的形式存在。所有复合物均通过微量分析,磁化率,电导率,红外和电子光谱测量来表征。光谱和磁学数据与对Mn(II)和Ni(II)采用四面体几何形状以及对Cu(II)络合物采用方形平面相一致,而Co(II)络合物和加合物为八面体。所有的配合物都是高自旋的,并且在硝基甲烷中是非电解质。这些化合物对四种革兰氏阴性杆菌(变形杆菌,克雷伯菌,假单胞菌和沙门氏菌)有活性;3革兰氏阳性生物体(乙。枯草,乙。蜡状,金黄色葡萄球菌)和真菌(Ç。白色念珠菌)。除了[CoL