Synthesis of Rhodium (I) Complexes with Mono and Dithiolato Ligands:Application in Catalytic Hydroformylation of Olefins

The thiols,1-phenylethanothiol 1 and 2,4-pentanodithiol 2 were synthesised and used to prepare binuclear rhodium species 3, 4 of the type [Rh2(µ-L)n(cod)2] (L = 1, n = 2; L = 2, n = 1; cod = 1,5cyclooctadiene). NMR and FAB+ mass spectrometry data are consistent with a binuclear structure for the spe...

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Bibliographic Details
Published in:Journal of the Mexican Chemical Society 2007-01, Vol.51 (1), p.33-38
Main Authors: Vargas-Malváez, Edgar, Pimentel, Georgina, Trujillo, Gustavo, Martin, Erika
Format: Article
Language:eng ; por ; spa
Subjects:
Chemistry, Multidisciplinary
Química
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Summary:The thiols,1-phenylethanothiol 1 and 2,4-pentanodithiol 2 were synthesised and used to prepare binuclear rhodium species 3, 4 of the type [Rh2(µ-L)n(cod)2] (L = 1, n = 2; L = 2, n = 1; cod = 1,5cyclooctadiene). NMR and FAB+ mass spectrometry data are consistent with a binuclear structure for the species. These complexes, plus PPh3 or diphosphines (dppp, dppb), were used as catalytic precursors for the hydroformylation of styrene under mild conditions. Fairly good activities and regioselectivities were achieved for catalytic system 3/ PPh3.
ISSN:1870-249X