Abstract
In this paper, three diiron butane-2,3-dithiolate complexes [Fe2(CO)5L{µ-SCH(CH3)CH(CH3)S}] [L = P(4-C6H4F)3, 2; P(4-C6H4OCH3)3, 3; P(3-C6H4Cl)3, 4] have been synthesized by CO substitution of the starting complex [Fe2(CO)6{µ-SCH(CH3)CH(CH3)S}] (1) with the corresponding monophosphine coligands in the presence of Me3NO·2H2O as the decarbonylating agent in 61‒74% yields. These complexes have been characterized by elemental analysis, IR, NMR spectroscopy, and single-crystal X-ray diffraction analysis. In addition, electrochemical studies revealed that these complexes can catalyze the reduction of proton to H2 in the presence of acetic acid under the electrochemical conditions.
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This research was supported by Zhejiang Provincial Natural Science Foundation of China under Grant LY19B020002.
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CCDC 1941119–1941121 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif. Below is the link to the electronic supplementary material.
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Lin, HM., Wang, LH., Liu, XF. et al. Diiron butane-2,3-dithiolate complexes with monophosphine coligands: synthesis, characterization, and electrochemistry. Transit Met Chem 45, 47–53 (2020). https://doi.org/10.1007/s11243-019-00355-x
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DOI: https://doi.org/10.1007/s11243-019-00355-x