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Chemistry of vinylidene complexes—XXVII—new µ-vinylidene MnPt complexes with platinum-coordinated 1-adamantyl isocyanide ligand: spectroscopic, structural and electrochemical study

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Abstract

New binuclear MnPt µ-vinylidene complexes Cp(CO)2Mn(µ-C=CHPh)Pt(CN–Ad)(L) [L=PPh3 (1a), P(OPri)3 (2a)] bearing a terminal platinum-coordinated 1-adamantyl isocyanide ligand were prepared by the treatment of Cp(CO)2Mn(µ-C=CHPh)Pt(CO)(L) [L=PPh3 (1b), P(OPri)3 (2b)] with CN-Ad. At the same time the reaction between Cp(CO)2Mn(µ-C=CHPh)Pt(L)2 [L=PPh3 (1c), P(OPri)3 (2c)] and CN-Ad did not proceed. The new complexes were characterized by IR and 1H, 13C, 31P NMR spectroscopy. The molecular structure of Cp(CO)2Mn(µ-C=CHPh)Pt(CN–Ad)[P(OPri)3] (2a) was determined by an X-ray diffraction study. The redox properties of the new complexes and their reactions of chemical oxidation were studied. An influence of the platinum-coordinated 1-adamantyl isocyanide ligand on the properties of the synthesized µ-vinylidene compounds 1a and 2a was revealed.

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Scheme 1
Fig. 1
Fig. 2
Scheme 2

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Notes

  1. The application of different working electrodes offers an opportunity to study the oxidation and reduction properties of compounds in the wide range of accessible potentials. The measurement region of potentials in acetonitrile (vs. Ag/0.1 M AgNO3 in MeCN) is from 0.30 to − 3.20 V at DME, from 2.00 to − 2.00 V, and from 2.00 to − 2.50 V at the Pt and GC electrodes, respectively.

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Acknowledgements

Physical-chemical characteristics were obtained in the Krasnoyarsk Regional Centre of Research Equipment, Siberian Branch of the Russian Academy of Sciences.

Funding

This work was conducted within the framework of the budget project 0287–2021-0012 for Institute of Chemistry and Chemical Technology SB RAS.

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Authors and Affiliations

  1. Institute of Chemistry and Chemical Technology SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50-24, Krasnoyarsk, Russia, 660036

    Victor V. Verpekin, Oleg S. Chudin, Alexander A. Kondrasenko, Galina V. Burmakina, Dmitry V. Zimonin & Anatoly I. Rubaylo

  2. Institute of Physics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, Akademgorodok, 50-38, Krasnoyarsk, Russia, 660036

    Alexander D. Vasiliev

  3. Siberian Federal University, Svobodny Prospect, 79, Krasnoyarsk, Russia, 660041

    Alexander D. Vasiliev, Dmitry V. Zimonin & Anatoly I. Rubaylo

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Contributions

V.V. analyzed and summarized row data, wrote and edited the main manuscript text. O.Ch. synthesized initial compounds, performed reactions and isolation of products, prepared samples for NMR spectroscopy, grown crystals for X-ray diffraction study. A.K. performed NMR experiments, NMR data curation. G.B. wrote the draft of electrochemical part of the manuscript, edited the main manuscript text, electrochemical data curation. A.V. performed X-ray crystallography experiment, X-ray data curation, prepared Fig. 1. D.Z. performed electrochemical experiments, prepared Fig. 2. A.R. project administration, funding acquisition. All authors reviewed the manuscript.

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Correspondence to Victor V. Verpekin.

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Verpekin, V.V., Chudin, O.S., Kondrasenko, A.A. et al. Chemistry of vinylidene complexes—XXVII—new µ-vinylidene MnPt complexes with platinum-coordinated 1-adamantyl isocyanide ligand: spectroscopic, structural and electrochemical study. Transit Met Chem 47, 283–292 (2022). https://doi.org/10.1007/s11243-022-00511-w

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