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Title

Osmium–carbon double bonds: Formation and reactions.

AuthorsEsteruelas, Miguel A. ; López, Ana M. ; Oliván, Montserrat
KeywordsOsmium
Alkylidene
Carbene
Vinylidene
Allenylidene
Osmacyclopropene
Osmafurane
Osmapyrrole
Metallabenzene
Azavinylidene
Metallabenzyne
Issue DateMar-2007
PublisherElsevier
CitationCoordination Chemistry Reviews 251(5-6): 795-840 (2007)
AbstractThe present review reports on the chemistry of the osmium–carbon double bond, including alkylidene or carbene, vinylidene, and allenylidene derivatives. Within the first type of compounds, we show the synthetic methods and reactivity of half-sandwich derivatives, including cyclopentadienyl and arene complexes, carbene compounds derived from alkynes, α,β-unsaturated carbene species, and osmacyclopropene, hydride–carbene, osmafurane, and osmapyrrole complexes. The vinylidene compounds include: half-sandwich, PCP “pincer”, hydride–vinylidene, azavinylidene–vinylidene, and metallaarene derivatives. For their study the allenylidene complexes have been divided into half-sandwich and non-half-sandwich compounds. In addition, the transformation from hydride–carbyne to carbene is analyzed, the preparation of butadienyl compounds via vinylidene intermediates is shown, and the assembly of organic molecules on allenylidene species to form osmacyclopentapyrrole derivatives is described.
Publisher version (URL)http://dx.doi.org/10.1016/j.ccr.2006.07.008
URIhttp://hdl.handle.net/10261/19367
DOI10.1016/j.ccr.2006.07.008
Appears in Collections:(ICMA) Artículos
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