Design, Synthesis, Characterization and Anticancer Evaluation of Novel Mixed Complexes Derived from 2-(1H-Benzimizadol-2-yl)aniline Schiff base and 2-Mercaptobenzimidazole or 2-Aminobenzothiazole

被引:11
作者
Alminderej, Fahad Mohammad [1 ]
Aroua, Lotfi Mohamed [1 ,2 ]
机构
[1] Qassim Univ, Coll Sci, Dept Chem, King Abdulaziz Rd,POB 6644, Buraydah 51452, Qassim, Saudi Arabia
[2] Tunis El Manar Univ, Fac Sci Tunis, Dept Chem, Lab Organ Struct Chem & Macromol, Tunis 12092, Tunisia
来源
EGYPTIAN JOURNAL OF CHEMISTRY | 2021年 / 64卷 / 07期
关键词
Schiff base; anticancer evaluation; 2-(1H-Benzimizadol-2-yl) aniline; 2-aminobenzothiazole; 2-mercaptobenzothiazole; Copper mixed complex; BENZIMIDAZOLE DERIVATIVES; BIOLOGICAL EVALUATION; METAL-COMPLEXES; DNA-BINDING; 2-AMINOMETHYLBENZIMIDAZOLE; VIABILITY; SENSOR; CU2+; CELL;
D O I
10.21608/EJCHEM.2021.60640.3305
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two Schiff base ligands ((benzimidazol-2-phenyl)iminomethyl)phenol (HL1) (1) and 2-(1-H-benzimidazol-2-yl)phenyl)imino)methyl) naphthol (HL2) (2) were synthesized via condensation of 2-(1H-benzimizadol-2-yl)aniline and respectively salicylaldehyde or naphtylaldehyde. The synthesis of mixed complexes (3)-(6) was realized by reacting ligands HL1 (1) and HL2 (2), copper salt (CuCl2.2H2O) and respectively one equivalent of 2-mercaptobenzothiazole or 2aminobenzothiazole. The ligands as well as the metal complexes have been identified with multiple spectroscopic techniques. The results data indicate that the copper is linked to ligands via deprotonated phenolic oxygen atom, nitrogen or sulphur atom of co-ligands and the coordination was realized through the azomethine group. X-ray powder diffraction analysis of complexes suggests that they posses monoclinic structure for complexes (3) and (4), while complex (5) has orthorhombic structure and rhombohedral structure for complex (6). The in vitro anticancer activities of the different complexes were evaluated and the results revealed an important cytotoxicity of complex (6) against lung human cancer A-549 and very good selectivity with 12.4 values of inhibitory concentration IC 50. The best result was described with complex (4) and present high activities on both A-549 and Caco-2 indicating good selectivity on lung human cancer A-549 and moderate selectivity on colorectal cell line Caco-2 with 10.9 and 15.7 respectively of IC 50.
引用
收藏
页码:3351 / 3364
页数:14
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