Syntheses and molecular structures of mononuclear ruthenium carbonyl complexes containing 2,1-naphthoquinone-2-oximato ligands

Kenneth Ka Hong Lee, Wing Tak Wong

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The reaction between [Ru3(CO)12] and 2,1-naphthoquinone-2-oxime or known as 2-nitroso-1-naphthol afforded two isomeric mononuclear ruthenium carbonyl complexes trans-[Ru(η2-OC10H6NO)2(CO)2] 1 and cis-[Ru(η2-OC10H6NO)2(CO)2] 2, in which the two bidentate 2-naphthoquinone-1-oximato ligands chelated on the ruthenium centre in different spacial orientation via the coordination of naphtholic oxygen and oxime nitrogen atoms. Both 1 and 2 adopt a cis-dicarbonyl configuration and the carbonyl groups can be replaced by the N-donor ligands in the presence of trimethylamine-N-oxide via the reaction intermediates, trans-[Ru(η2-OC10H6NO)2(CO)(NMe3)] 4 and cis-[Ru(η2-OC10H6NO)2(CO)(NMe3)] 3a respectively. Complexes 1, 3a and 4 have been fully characterised by spectroscopic methods and their molecular structures were established by X-ray crystallographic analyses.
Original languageEnglish
Pages (from-to)329-335
Number of pages7
JournalJournal of Organometallic Chemistry
Issue number2
Publication statusPublished - 1 Dec 1997
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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