Abstract
The reaction of (η5-C5H5)Ni(SIMes)Cl with n-propylmercaptane and NEt3 in CH2Cl2 affords the thiolate carbene nickel complex (η5-C5H5)Ni(SIMes)SnPr (I) (SIMes is 1,3-dimesitylimidazol-2-ylidene), which reacts with W(CO)5(THF) to form the heterometallic complex (η5-C5H5)Ni(SIMes)(μ2-SnPr)W(CO)5 (II). The reaction of complex I with (η5-С5H5)Mn(CO)2(THF) affords compound (η5-C5H5)Ni(SIMes)(μ2-SnPr)(η5-С5H5)Mn(CO)2 (III). The structures of compounds I, II, and III are determined by X-ray structure analysis (CIF file CCDC nos. 2024873 (I), 2024874 (II), and 2024875 (III)). According to the data of thermogravimetry and differential scanning calorimetry, the thermal decomposition of complexes II and III occurs stepwise in ranges of 101–500 and 119–550°С, and no ligand elimination is observed.
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ACKNOWLEDGMENTS
X-ray structure analyses were carried out using the equipment of the Center for Collective Use of Physical Methods of Investigation at the Kurnakov Institute of General and Inorganic Chemistry (Russian Academy of Sciences) in terms of the state assignment of the Kurnakov Institute of General and Inorganic Chemistry (Russian Academy of Sciences) in the area of basic research.
Funding
This work was supported by the Russian Foundation for Basic Research, project no. 19-33-90199 “Aspiranty.”
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Dedicated to blessed memory of Prof. A.A. Pasynskii
Translated by E. Yablonskaya
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Shapovalov, S.S., Tikhonova, O.G., Skabitskii, I.V. et al. Heterometallic Nickel Complexes with N-Heterocyclic Carbene: Synthesis, Structure, and Thermal Decomposition. Russ J Coord Chem 47, 546–550 (2021). https://doi.org/10.1134/S1070328421080066
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DOI: https://doi.org/10.1134/S1070328421080066