Synthesis, molecular structures, and properties of the manganese chalcogenide complexes CpMn(CO)2SC(O)Ph, [CpMn(CO)2] 2(μ-Se2), CpMn(CO)2SMe2, [CpMn(CO)2]2(μ-SMe2), and [CpMn(CO) 2]2(μ-SeMe2)

A. A. Pasynskii, V. N. Grigor'ev, Yu V. Torubaev, K. A. Lysenko, Zh V. Dobrokhotova, V. V. Minin, V. A. Grinberg

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Abstract

The reaction of [CpMn(CO)2C(O)Ph]-Li+ with an equimolar amount of sulfur gives the paramagnetic thiocarboxylate complex CpMn(CO)2SC(O)Ph (1), which is converted on treatment with sulfur into the known binuclear diamagnetic complex [CpMn(CO)2] 2(μ-S2) (2). Treatment of [CpMn(CO)2C(O)Ph] -Li+ with elemental selenium under similar conditions gives the dimer [CpMn(CO)2]2(μ-Se2) (3). The reduction of 2 and 3 by sodium borohydride followed by the reaction with methyl iodide affords the mononuclear complex CpMn(CO)2SMe2 (4) and binuclear complexes [CpMn(CO)2]2(μ-XMe2) (X = S (5), Se (6)). On heating in hexane, 4 is converted into 5. The structures of complexes 1 and 3-6 were characterized by X-ray diffraction. The EPR spectrum of 1, the electrochemical behavior of 2 and 3, and the thermal decomposition of 2, 3, 5, and 6 were investigated.

Original languageEnglish
Pages (from-to)1833-1841
Number of pages9
JournalRussian Journal of Inorganic Chemistry
Volume47
Issue number12
StatePublished - 1 Jan 2002
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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