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Title

α-substituted alkenyl and α-disubstituted alkylidene complexes with the OsCl(CO)(PiPr3)2 skeleton

AuthorsEsteruelas, Miguel A. CSIC ORCID; López, Ana M. CSIC ORCID; Oñate, Enrique CSIC ORCID
Issue DateMay-2007
CitationOrganometallics 26(13): 3260-3263 (2007)
AbstractComplex Os(η2-PhCCPh)(CO)(PiPr3)2 (1) reacts with 1 equiv of HBF4 to give the hydride species [OsH(η2-PhCCPh)(CO)(PiPr3)2]BF4 (2), which affords the α-substituted alkenyl compound Os{(E)-C(Ph)CHPh}Cl(CO)(PiPr3)2 (3) by treatment with NaCl. Complex 3 reacts with Brønsted acids to give α-disubstituted alkylidene derivatives. Thus, the reaction with 1 equiv of HBF4 yields the cationic complex [OsCl{C(Ph)CH2Ph}(CO)(PiPr3)2][BF4] (4). The treatment of 3 with 1 equiv of HCl gives the neutral alkylidene derivative OsCl2{C(Ph)CH2Ph}(CO)(PiPr3)2 (5), while the reaction with an excess of HCl yields the anionic alkylidene complex [HPiPr3][OsCl3{C(Ph)CH2Ph}(CO)(PiPr3)] (6).
Description4 pages, 2 figures, 2 schemes.-- Supporting Information Available: http://pubs.acs.org.
Publisher version (URL)http://dx.doi.org/10.1021/om7002915
URIhttp://hdl.handle.net/10261/19313
DOI10.1021/om7002915
Appears in Collections:(ICMA) Artículos

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