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The reactivity of acetylenes coordinated to cobalt. III. Reaction of the butene-2-olide-4 complexes, (C4O2R1)Co2(CO)7 with acetylenes; formation of new types of organic ligands

  • Gyula Váradi
  • , István T. Horváth
  • , Gyula Pályi
  • , László Markó
  • , Yurii L. Slovokhotov
  • , Yurii T. Struchkov

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

The "lactone" complexes, (C4O2R1,R2)Co2(CO)7, [μ2-carbonyl)[μ2-spiro-(2,3-substituted-2-butene-4-olide-4-ylidene)] [bis(tricarbonyl-cobalt)(CoCo) derivatives, were found to react with acetylenes (R3C2R4. This reaction yields the known acetylene complexes (R3C2R4Co2(CO)6 and two isomeric compounds with the composition [(C4O2R1,R2)(R3C2R4)2]Co2(CO)5. Spectroscopic arguments and X-ray structure determination show that both isomers contain σ, π-C5 ligands bonded to both Co atoms. The structures of these isomerswere identified. © 1981.
Original languageEnglish
Pages (from-to)119-130
JournalJournal of Organometallic Chemistry
Volume206
Issue number1
DOIs
Publication statusPublished - 17 Feb 1981
Externally publishedYes

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