Synthesis and Characterization of the New Cluster Complex {Mo3S4} with the Hemilabile Phosphine-Selenoether Ligand

N. Yu Shmelev, M. I. Gongola, S. F. Malysheva, N. A. Belogorlova, A. V. Artem’ev, Ya S. Fomenko, V. Yu Komarov, K. V. Sopov, N. B. Kompan’kov, D. G. Sheven’, M. N. Sokolov, A. L. Gushchin

Research output: Contribution to journalArticlepeer-review

Abstract

The reaction of [Mo3S4(Tu)8(H2O)]Cl4·4H2O (Tu is thiourea) with (PhCH2CH2)2-PCH2CH2SeC5H11) (PSe) followed by purification on a chromatographic column packed with silica gel using a saturated solution of KPF6 in acetone as an eluent results in the formation of [Mo3S4Cl3(PSe)3]PF6 (I) in a yield of 44%. Compound I is characterized by X-ray diffraction analysis, 1H, 31P{1H}, and 77Se NMR spectroscopy, IR spectroscopy, UV-Vis spectroscopy, cyclic voltammetry, and electrospray ionization mass spectrometry. Several species differed in the coordination mode of three PSe ligands, which can bind to molybdenum via one (phosphorus) or two (phosphorus and selenium) donor atoms, are formed in a solution of compound I at room temperature. This behavior is not observed for the compounds similar in structure with PS ligands of an analogous type. Complex I demonstrates a higher catalytic activity than its analogue with the PS ligand in the reduction of nitrobenzene to aniline under the action of diphenylsilane.

Original languageEnglish
Pages (from-to)209-218
Number of pages10
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Volume47
Issue number3
DOIs
Publication statusPublished - Mar 2021

Keywords

  • catalytic properties
  • clusters
  • crystal structure
  • hemilabile ligands
  • molybdenum
  • phosphine-chalcoethers
  • synthesis

OECD FOS+WOS

  • 2.04 CHEMICAL ENGINEERING
  • 1.04 CHEMICAL SCIENCES
  • 1.04.EC CHEMISTRY, INORGANIC & NUCLEAR

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