Citation: Xu-Feng LIU, Yu-Long LI, Xing-Hai LIU. Synthesis, characterization, electrocatalytic properties, and antifungal activity of isoxazole-containing di-iron complexes[J]. Chinese Journal of Inorganic Chemistry, ;2023, 39(12): 2367-2376. doi: 10.11862/CJIC.2023.204 shu

Synthesis, characterization, electrocatalytic properties, and antifungal activity of isoxazole-containing di-iron complexes

Xu-Feng LIU ^{1, 2,,} ,
Yu-Long LI ³ ,
Xing-Hai LIU ⁴

1.
School of Materials and Chemical Engineering, Ningbo University of Technology, Ningbo, Zhejiang 315211, China
2.
Zhejiang Institute of Tianjin University, Ningbo, Zhejiang 315201, China
3.
College of Chemistry and Environmental Engineering, Key Laboratory of Green Chemistry of Sichuan Institutes of Higher Education, Sichuan University of Science & Engineering, Zigong, Sichuan 643000, China
4.
College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China

Corresponding author: Xu-Feng LIU, nkxfliu@126.com
Received Date: 3 August 2023
Revised Date: 6 November 2023

Figures(7)

In this paper, four di-iron complexes with an isoxazole moiety were synthesized and characterized. The reaction of a hydroxy-containing di-iron complex [Fe₂(CO)₆(μ-SCH₂CH(CH₂OH)S)] (1) with 5-methylisoxazole-4-carboxylic acid gave an ester product, named [Fe₂(CO)₆(μ-SCH₂CHCH₂OOC(5-C₃HNOCH₃)S)] (2) in very good yield. The phosphine-bearing analogues, which are named [Fe₂(CO)₅(L)(μ-SCH₂CHCH₂OOC(5-C₃HNOCH₃)S)] where L= P(4-C₆H₄CH₃)₃ (3), P(4-C₆H₄F)₃ (4), P(2-C₆H₄OCH₃)₃ (5), were prepared by the reactions of complex 2 with a monophosphine ligand tri(p-tolyl)phosphine, tris(4-fluorophenyl)phosphine or tris(2-methoxyphenyl)phosphine. Complexes 2-5 have been identified by elemental analyses, spectroscopies, and X-ray crystallography. The electrochemical properties were probed by cyclic voltammetry, which shows that these complexes can catalyze the production of dihydrogen with acetic acid as a proton source. 2 had the lowest overpotential and 4 had the highest catalytic efficiency. Moreover, we have investigated the antifungal activity of these new complexes.
- di-iron complex,
- isoxazole,
- X-ray crystallography,
- electrochemistry,
- antifungal activity
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