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| Title: | Preparation and characterization of a monocyclopentadienyl osmium−allenylcarbene complex |
Authors: | Esteruelas, Miguel A. CSIC ORCID; Hernández, Yohar A.; López, Ana M. CSIC ORCID; Oñate, Enrique CSIC ORCID | Issue Date: | 2007 | Publisher: | American Chemical Society | Citation: | Organometallics 26(24): 6009-6013 (2007) | Abstract: | The 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. | Description: | 5 pages, 3 schemes, 1 table, 1 figure.-- Supporting Information Available: http: //pubs.acs.org. | Publisher version (URL): | http://dx.doi.org/10.1021/om700722e | URI: | http://hdl.handle.net/10261/19249 | DOI: | 10.1021/om700722e | ISSN: | 0276-7333 |
| Appears in Collections: | (ICMA) Artículos |
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