New pentanuclear complex Ru5(CO)11(µ4-O)(µ 3-H)(p-MeC6H4C(O)C(H)=CPh)3·transformations of the triruthenium cluster Ru3(CO)12 in thermal reactions with α,β-unsaturated carbonyl compounds

Autor: S. Osintseva, F. Dolgushin, N. Shtelzer, P. Petrovskii, A. Kreindlin
Zdroj: Russian Chemical Bulletin; Mar2006, Vol. 55 Issue 3, p415-421, 7p
Abstrakt: Abstract  The new pentanuclear complex Ru5(CO)11(µ4-O)(µ 3-H)(p-MeC6H4C(O)C(H)=CPh)3 was synthesized by the reaction of Ru3(CO)12 with 3-phenyl-1-p-tolylprop-2-en-1-one. The complex was characterized by elemental analysis and NMR and IR spectroscopy. The crystal structure of the complex was established by X-ray diffraction. Three of five ruthenium atoms form five-membered oxaruthenacycles with the organic ligands. The complex with an unusual structure has 84 valence electrons and is stabilized by one bridging µ4-O ligand in a square-planar environment, one bridging µ3-H ligand located in the plane passing through three ruthenium atoms, and a semibridging interaction with one of the carbonyl groups. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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