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Title

Preparation and characterization of a monocyclopentadienyl osmium−allenylcarbene complex

AuthorsEsteruelas, Miguel A. CSIC ORCID; Hernández, Yohar A.; López, Ana M. CSIC ORCID; Oñate, Enrique CSIC ORCID
Issue Date2007
PublisherAmerican Chemical Society
CitationOrganometallics 26(24): 6009-6013 (2007)
AbstractThe dihydride−dihydrogen complex [OsH2(η5-C5H5)(η2-H2)(PiPr3)]BF4 (1) reacts with phenylacetylene to give the allenylcarbene derivative [Os(η5-C5H5){CPh(η2-CHCCHPh)}(PiPr3)]BF4 (2) via the π-phenylacetylene intermediate [Os(η5-C5H5)(η2-PhCCH)(PiPr3)]BF4 (3). The reactions of 2 with NaOMe and LiCCPh afford 3:1 mixtures of two hydride−osmaindene isomers of formula OsH(n5-C5H5)(C(C=CPh)=CHC6H4)(piPr3)(4 and 5) instead of the expected osmabenzyne complex.
Description5 pages, 3 schemes, 1 table, 1 figure.-- Supporting Information Available: http: //pubs.acs.org.
Publisher version (URL)http://dx.doi.org/10.1021/om700722e
URIhttp://hdl.handle.net/10261/19249
DOI10.1021/om700722e
ISSN0276-7333
Appears in Collections:(ICMA) Artículos

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