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ν 2-coordination of chlorobenzenes to rhenium fragment Cp*Re(CO) 2: Chemical and photochemical syntheses of Cp*Re(CO) 2(ν 2-C 6H 6-nCl n)

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Autor dc.contributor.author Klahn A.H.
Autor dc.contributor.author Morales V.
Autor dc.contributor.author Oelckers B.
Autor dc.contributor.author Buono-Core G.E.
Autor dc.contributor.author Gomez J.
Autor dc.contributor.author Godoy F.
Fecha Ingreso dc.date.accessioned 2014-04-05T00:19:16Z
Fecha Disponible dc.date.available 2014-04-05T00:19:16Z
Fecha en Repositorio dc.date.issued 2014-04-04
dc.description.abstract The complexes Cp*Re(CO) 2(ν 2-C 6H 6-nCl n), n = 4, (5,6-μ 2-1,2,3, 4-C 6H 2Cl 4) 2a; n = 3, (5,6-ν 2-1, 2,4-C 6H 3Cl 3) 2b; n = 2, (2,3-ν 2- 1,4-C 6H 4Cl 2) 2c and (4,5-ν 2-1,3- C 6H 4Cl 2) 2d, have been conveniently prepared by two alternative procedures: Directly, by the photochemical reaction of Cp*Re(CO) 2 (N 2) in neat or saturated hexane solution of the corresponding partially chlorinated benzene or stepwise, by the reaction of the appropriate trans-Cp*Re(CO) 2 (Ar Cl)X, X = Cl, Br (1a-d) with LiBHEt3 followed by protonation with HCl to form the hydrido complexes trans-Cp*Re(CO) 2 (Ar Cl)H which resulted thermally unstable in solution and convert to ν 2-coordination complexes 2a-d. Due to their low stability as solids and in solution, the new complexes were only characterized by IR and 1H and 13C NMR spectroscopy. The 1H NMR spectra of the two derivatives containing dichlorobenzene (2c and 2d) indicate that a rapid exchange occurs between the hydrogen atoms on the coordinated carbons and those on the non-coordinated carbons. en_US
dc.source Journal of the Chilean Chemical Society
Link Descarga dc.source.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84856103473&partnerID=40&md5=13d87001f766dfca3219bf9c3264440e
Title dc.title ν 2-coordination of chlorobenzenes to rhenium fragment Cp*Re(CO) 2: Chemical and photochemical syntheses of Cp*Re(CO) 2(ν 2-C 6H 6-nCl n) en_US
Tipo dc.type Article


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