Synthesis and Thermal Studies of Some Metal azo Complexes Derived from Hydroxy coumarin

Tadhamun Sabah Younus, Tariq Ali Fahd
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Abstract

  In the current  study, of two azo dyes made from coumarin and procaine (T1) and coumarin and Sulfa guanidine (T2)were synthesized. The dyes were characterized by IR, CHN, 1H-NMR, 13C-NMR and MS spectroscopic techniques. . To make azo metal(II) complexes, these novel legands  were combined with acetate salts of copper(II) and nickel(II) in a 1:2 molar ratio.The metal to ligand ratio [M:L] in all complexes, according to analytical data, is (1:2).This ligand behaves as a bidentate chelating, according to spectral and analytical data.Thermo gravimetric (TGA) analysis was used to study the thermal behavior of these substances. These chemicals' thermal breakdown is a multi-stage process
羟基香豆素金属偶氮配合物的合成及热研究
本研究以香豆素和普鲁卡因(T1)以及香豆素和磺胺胍(T2)为原料合成了两种偶氮染料。用IR、CHN、1H-NMR、13C-NMR和MS等技术对染料进行了表征。将这些新型的偶氮金属(II)配合物与铜(II)和镍(II)的乙酸盐以1:2的摩尔比结合制备偶氮金属(II)配合物。根据分析数据,所有配合物中金属与配体的比例[M:L]为(1:2)。根据光谱和分析数据,该配体表现为双齿螯合。热重分析(TGA)研究了这些物质的热行为。这些化学物质的热分解是一个多阶段的过程
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