Synthesis, characterization and analytical study of new azo ligand driven from benzocaine and its metal complexes

Ansam.S. Al-battat, Luma Taher Tuma ALbaaj, T.A.Fahad
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Abstract

The synthesis and spectrum of of a new azo ligand derived from acetylacetone and benzocaine (Ethyl p-aminobenzoate)). Spectral investigations such as 1H NMR,FT.IR, 13C-NMR and Mass spectra were performed to investigate the azo dye ligand's structure. Several physiochemical approaches, FT-IR, electronic spectra, molar conductivity, atom absorption, and magnetic susceptibility were used to identify new complexes with CO(II), and Zn(II) ions Complexes that are all 1:2 [M:L] were formed using the procedures described, and an tetrahedral geometry with sp3 hybridization. At several pH ranges (2–12), the electronic spectra of these azo dyes have been examined in terms of their acid–base properties, which included determining their isosbestic points and protonation and ionization constants. In the other study, azodye were used as an inductor for acid-base titration.
苯佐卡因及其金属配合物的新偶氮配体的合成、表征和分析研究
从乙酰丙酮和苯佐卡因(对氨基苯甲酸乙酯)中提取的新偶氮配体的合成和光谱。)通过 1H-核磁共振、傅立叶变换红外光谱、13C-核磁共振和质谱等光谱分析,研究了偶氮染料配体的结构。利用傅立叶变换红外光谱、电子能谱、摩尔电导率、原子吸收率和磁感应强度等几种理化方法,确定了与 CO(II)和 Zn(II)离子的新配合物 利用所述程序形成了 1:2 [M:L]的配合物,以及具有 sp3 杂化的四面体几何结构。在几个 pH 值范围(2-12)内,研究人员根据这些偶氮染料的酸碱特性研究了它们的电子能谱,包括确定它们的等离点、质子化常数和电离常数。在另一项研究中,偶氮染料被用作酸碱滴定的感应器。
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