Convenient syntheses of [RuCl(CO)2(Cp)] and [OsCl(CO)2(Cp)]

Somanath Dev, John P. Selegue

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


[RuCl(CO)2(Cp)] (1) is obtained in two simple steps from [RuCl3(H2O)x]. [RuCl2(CO)3]2, produced by refluxing [RuCl3(H2O)x] in hydrochloric and formic acids, reacts cleanly with [SiMe3(C5H5)] to give [RuCl(CO)2(Cp)] (1) in 74% overall yield from [RuCl3(H2O)x]. [OsCl(CO)2(Cp)] (2) is similarly obtained in four steps from [OsO4]. Known conversion Of [OsO4] to [NH4]2[OsCl6], reduction to [OsCl3] and carbonylation to [OsCl2(CO)3]2 in a tube furnace, and finally reaction with [SiMe3(C5H5)] give [OsCl(CO)2(Cp)] (2) in 26% overall yield from [OsO4]. These preparations are a significant improvement over previous published methods, avoiding the intermediacy of [M3(CO)12].

Original languageEnglish
Pages (from-to)107-110
Number of pages4
JournalJournal of Organometallic Chemistry
Issue number1
StatePublished - Apr 19 1994

Bibliographical note

Funding Information:
We are grateful to the US Departmento f Energy (DE-FGO5-85ER13432)a nd the Kentucky EPSCoR program( NSF Grant EHR-91-08764)f or financial support, the National ScienceF oundation(CHE-9113581) for equipment,a nd Johnson-Matthey,I nc., for a loan of rutheniumt richloride.W e thank Prof. Peter Eklund for the use of a tube furnace.


  • Carbonyl
  • Chloride
  • Cyclopentadienyl
  • Nuclear magnetic resonance
  • Osmium
  • Ruthenium

ASJC Scopus subject areas

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


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