First row transition metal complexes of (E)-2-(2-(2-hydroxybenzylidene) hydrazinyl)-2-oxo-N-phenylacetamide complexes
作者:T.A. Yousef、G.M. Abu El-Reash、T.H. Rakha、Usama El-Ayaan
DOI:10.1016/j.saa.2011.08.030
日期:2011.12
Manganese(II), iron(II), cobalt(II), nickel(II), copper(II), and chromium(III) complexes of (E)-2-(2-(2-hydroxybenzylidene)hydrazinyl)-2-oxo-N-phenylacetamide were synthesized and characterized by elemental and thermal (TG and DTA) analyses, IR, UV-vis and (1)H NMR spectra as well as magnetic moment. Mononuclear complexes are obtained with 1:1 molar ratio except [Mn(HOS)(2)(H(2)O)(2)] and [Co(OS)(2)](H(2)O)(2)
(E)-2-(2-(2-(2-羟基亚苄基)肼基)-2的锰(II),铁(II),钴(II),镍(II),铜(II)和铬(III)络合物合成了-氧代-N-苯基乙酰胺,并通过元素分析和热分析(TG和DTA),IR,UV-vis和(1)H NMR光谱以及磁矩进行了表征。除了[Mn(HOS)(2)(H(2)O)(2)]和[Co(OS)(2)] [H(2)O)(2)外,摩尔比为1:1的单核配合物以1:2的摩尔比得到的配合物。配体和金属配合物的红外光谱揭示了各种螯合模式。该配体表现为一元二齿的二配体,并且通过烯醇式氧原子和偶氮甲碱氮原子发生配位。配体也表现为一元三齿,并且通过羰基氧原子,偶氮甲碱氮原子和羟基氧发生配位。而且,配体表现为二元三齿,并通过烯醇氧,甲亚胺氮和羟基氧原子发生配位。电子光谱和磁矩测量表明,除铜配合物具有正方形平面几何形状外,所有配合物均具有八面体几何形状。从建模研究中,已计算出键长