Half‐sandwich ruthenium(II) and iridium(III) complexes of imidazole based phosphinite ligands: antioxidant and antibacterial activities as well as electrochemical properties

Author:

Işik Uğur1,Rafikova Khadichakhan23,Meriç Nermin45,Güzel Remziye6,Kerimkulova Aygul2,Akimbek Arailym2,Okumuş Veysi7,Durap Feyyaz4,Kayan Cezmi4ORCID,Aydemir Murat4

Affiliation:

1. Artvin Coruh University Medicinal-Aromatic Plants Application and Research Center 08100 Artvin Turkey

2. Geology and Oil-gas Business Institute named after K. Turyssov Department of Chemical and Biochemical Engineering Satbayev University Almaty Kazakhstan

3. Kazakh-British Technical University School of Chemical Engineering Almaty Kazakhstan

4. Dicle University Faculty of Science Department of Chemistry 21280 Diyarbakir Turkey

5. Dicle University Technical Vocational School Department of Hair Care and Beauty Services 21280 Diyarbakir Turkey

6. Department of Science Faculty of Education Dicle University Diyarbakir 21280 Turkey

7. Siirt University Faculty of Medicine Department of Medical Biology Siirt 56100 Turkey

Abstract

AbstractRuthenium(II) and iridium(III) complexes of phosphinites including imidazole moiety were synthesized and characterized by microanalysis, IR, MS, and NMR spectroscopies. Antibacterial activity against Gram‐positive and Gram‐negative bacterial strains was assessed in all complexes. The highest radical scavenging (72.2 %) was obtained for [3‐(3‐chloro‐2‐({[dichloro(η6‐benzene)ruthenium]diphenylphosphanyl}oxy)propyl)‐1‐butyl‐1H‐imidazol‐3‐ium chloride], 4 at 200 μg/mL concentration, while [3‐(3‐chloro‐2‐({[dichloro(η5‐pentamethylcyclopentadienyl)‐iridium]diphenylphosphanyl}oxy)pro‐pyl)‐1‐butyl‐1H‐imidazol‐3‐ium chloride], 6 demonstrated the highest antibacterial activity as 13 mm inhibition zone against E. hirea. Furthermore, optical and electrochemical featured of metal complexes containing imidazole phosphinite were investigated utilizing UV–vis absorption and cyclic voltammetry techniques. Consequently, all complexes can be proposed as metal‐based charge convertible phosphinite complexes which may be employed as new generation and synergistic Dye‐Sensitized Solar Cell (DSSC) materials.

Funder

Dicle Üniversitesi

Publisher

Wiley

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