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Osmium-centered oxetylidene: Formation and cleavage

AuthorsBatuecas, María ; Esteruelas, Miguel A. ; García-Yebra, Cristina ; Oñate, Enrique
Issue Date2012
PublisherAmerican Chemical Society
CitationOrganometallics 31(23): 8079-8081 (2012)
AbstractThe first transition-metal-oxetylidene complex has been prepared by reaction of OsCl(η5-C5H5)(CO)(P iPr3) with 3,3-di(methoxycarbonyl)-5-hexyn-1-al and AgBF4. This novel compound is transformed into a hydroxyalkenylcarbene isomer by deprotonation and subsequent protonation of the resulting α,β-unsaturated acyl transient species. In fluorobenzene at 90 C, the four-membered ring undergoes cycloreversion to afford a cis-dicarbonyl derivative and the cycloalkene. © 2012 American Chemical Society.
Identifiersdoi: 10.1021/om3011323
issn: 0276-7333
e-issn: 1520-6041)
Appears in Collections:(ISQCH) Artículos
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