Abstract
In this paper, four diiron toluene-3,4-dithiolate complexes with phosphine ligands were synthesized and characterized. Treatment of complex [Fe2(CO)6{μ-SC6H3(CH3)S}] (1) with the corresponding phosphine ligands ethyl diphenylphosphinite, 4-(dimethylamino)phenyldiphenylphosphine, 2-(diphenylphosphino)biphenyl, or vinyldiphenylphosphine in the presence of Me3NO·2H2O as the CO-oxidative agent afforded the products [Fe2(CO)5(L){μ-SC6H3(CH3)S}] (L = Ph2POCH2CH3, 2; Ph2P(4-C6H4NMe2), 3; Ph2P(2-C6H4Ph), 4; Ph2PCH = CH2, 5) in 68–88% yields. The complexes 2–5 were characterized by elemental analysis, IR, NMR spectroscopy, as well as by X-ray diffraction analysis. Furthermore, the electrochemistry of these complexes was studied by cyclic voltammetry.
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Acknowledgements
This research was supported by Zhejiang Provincial Natural Science Foundation of China under Grant LY19B020002, National Natural Science Foundation of China under Grant 21501124, Science and Technology Department of Sichuan Province under Grant 2018JY0235, and Education Department of Sichuan Province under Grant 18ZA0337.
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Lin, HM., Mu, C., Li, A. et al. Synthesis, structures, and electrochemistry of diiron toluene-3,4-dithiolate complexes containing phosphine ligands. Transit Met Chem 44, 491–498 (2019). https://doi.org/10.1007/s11243-019-00342-2
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DOI: https://doi.org/10.1007/s11243-019-00342-2