由硝基苯酚衍生的新化合物的合成、结构研究和抗溃疡特性。

IF 1.2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Acta Chimica Slovenica Pub Date : 2024-04-24 DOI:10.17344/acsi.2023.8489

Ali Mahdi Farhan, Hanaa Kadtem Egzar, Hawraa Mahdi Alabidi

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引用次数: 0

摘要

合成了一种新的偶氮化合物[2-((4-羟基-3-(E)-(2-羟基-5-硝基苯基)重氮苯基)苯甲醛]和偶氮席夫衍生物[2-((4-羟基-3-((E)-(2-羟基-5-硝基苯基)重氮苯基)苯亚甲基)氨基]-4-硝基苯酚（Azo-S）。利用 13C-NMR、1H-NMR、傅立叶变换红外光谱、质谱分析和紫外可见光谱分析对新化合物进行了表征。在 1 M HCl 和 298 K 条件下进行的失重测量研究表明，Azo-S 具有良好的缓蚀效率，在抑制剂浓度为 0.002 M 时，缓蚀效率为 75%。研究发现，吸附方法遵循 Lanngmuir 等温线，ΔG 值约为 -23.8 kJ/mol，这证实了在物理吸附过程中低碳钢自发形成了一层稳定的保护膜。

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New Compounds Derived from Nitrophenol Synthesis, Structural investigation and anticorrision Properties.

A new azo compound [2-((4-hydroxy-3-(E)-(2-hydroxy-5-nitrophenyl)diazenyl)benzaldeyde and the azo schiff derivative [2-((4-hydroxy-3-((E)-(2-hydroxy-5-nitrophenyl)diazenyl)benzylidene)amino)-4-nitrophenol (Azo-S) has been synthesized. 13C-NMR, 1H-NMR, FT-IR, Mass apectroscopy and Uv-Visibl analysis was used to characterized new compounds. The new synthesized compound Azo-S was utilized to inhibit mild steel (MS) corrosion at little concentrations (0.001-0.006) M. Weight loss measurements studies in 1 M HCl and at 298 K showed that Azo-S has a good corrosion inhibition efficiency, 75% at 0.002 M of inhibitors.It was found that adsorption methods follow Lanngmuir isotherm with ΔG values around -23.8 kJ/mol, this confirms that a stable protective film is formed for the mild steel spontaneously during physical adsorption.

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来源期刊

Acta Chimica Slovenica 化学-化学综合

CiteScore

2.50

自引率

25.00%

发文量

审稿时长

1.0 months

期刊介绍： Is an international, peer-reviewed and Open Access journal. It provides a forum for the publication of original scientific research in all fields of chemistry and closely related areas. Reviews, feature, scientific and technical articles, and short communications are welcome.