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

IF 1.6 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Transition Metal Chemistry Pub Date : 2022-08-28 DOI:10.1007/s11243-022-00511-w

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

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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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偏乙烯配合物的化学性质——xxvii -新的与铂配位的1-金刚烷异氰酸酯配体的µ-偏乙烯MnPt配合物:光谱、结构和电化学研究

用CN-Ad处理Cp(CO)2Mn(µc =CHPh)Pt(CN-Ad)(L =PPh3 (1a)， P(OPri)3 (2a)) [L=PPh3 (1b)， P(OPri)3 (2b)]，制备了新型双核MnPtµ-偏二烯配合物Cp(CO)2Mn(µc =CHPh)Pt(CN-Ad)(L) [L=PPh3 (1b)]。同时，Cp(CO)2Mn(µc =CHPh)Pt(L)2 [L=PPh3 (1c)， P(OPri)3 (2c)]与CN-Ad之间的反应没有进行。用IR和1H, 13C, 31P NMR对新配合物进行了表征。用x射线衍射法测定了Cp(CO)2Mn(µc =CHPh)Pt(CN-Ad)[P(OPri)3] (2a)的分子结构。研究了新型配合物的氧化还原性能及其化学氧化反应。揭示了铂配位的1-金刚烷异氰化物配体对所合成的µ-偏乙烯化合物1a和2a性质的影响。

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来源期刊

Transition Metal Chemistry 化学-无机化学与核化学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

1.3 months

期刊介绍： Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc. Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.