Synthesis, structures, and electrochemistry of diiron toluene-3,4-dithiolate complexes containing phosphine ligands

  • Hui-Min Lin
  • Chao Mu
  • Ao Li
  • Xu-Feng LiuEmail author
  • Yu-Long LiEmail author
  • Zhong-Qing Jiang
  • Hong-Ke Wu


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 25 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.



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.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interests.

Supplementary material

11243_2019_342_MOESM1_ESM.doc (1020 kb)
Supplementary material 1 (DOC 1019 kb)


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.School of Materials and Chemical EngineeringNingbo University of TechnologyNingboChina
  2. 2.College of Chemistry and Environmental EngineeringSichuan University of Science and EngineeringZigongChina
  3. 3.Department of Physics, Key Laboratory of ATMMT Ministry of EducationZhejiang Sci-Tech UniversityHangzhouChina
  4. 4.College of Chemical EngineeringZhejiang University of TechnologyHangzhouChina

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