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

Autor:	Edgar Vargas Malváez, Georgina Pimentel, Gustavo Trujillo, Erika Martin
Jazyk:	angličtina
Rok vydání:	2007
Předmět:	sulphur ligands binuclear complex Química hydroformylation homogeneous catalysis Thiolato ligands rhodium complex
Zdroj:	Universidad Nacional Autónoma de México UNAM Redalyc-UNAM Journal of the Mexican Chemical Society (México) Num.1 Vol.51 Universidad Autónoma del Estado de México UAEMEX Redalyc-UAEMEX
Popis:	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( #956; #8722;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.
Databáze:	OpenAIRE
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