Abstract
In this work the results of the study of the catalytic activity of the dinuclear gem-dithiolato-bridged rhodium complex [Rh2(μ-S2CBn2)(cod)2] (Bn = benzyl; cod = 1,5-cyclooctadiene) for the hydroformylation of hex-1-ene in CO/H2O, are presented. Under the best conditions for hydroformylation [P(CO) = 22 atm at 80 °C, in 24 h, toluene/H2O = 8/2, v/v, hex-1-ene (3 mmol), [Rh] = 0.01 mmol, hex-1-ene/[Rh] = 15 molar ratio] the only organic products observed (detected by GC and GC-MS) were heptanal and 2-methylhexanal and traces of 2-hexene (isomerization product). In addition, the products of the water gas shift reaction, H2 and CO2, were also obtained as competitive reaction of the hydroformylation process.
Graphical Abstract
In this work, the hydroformylation of hex-1-ene in CO/H2O catalyzed by a dinuclear gem-dithiolato-bridged rhodium complex [Rh2(μ-S2CBn2)(cod)2] (Bn = benzyl; cod = 1,5-cyclooctadiene) dissolved in toluene is described. Under catalytic conditions the only organic products observed were heptanal and 2-methylhexanal and traces of 2-hexene. In addition, the products of the water gas shift reaction, H2 and CO2, were also observed.
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Acknowledgments
This work was supported by FONACIT (S1-2002000260) and CDCH-UCV (PG. 03-00-6928-2007). The authors are gratefully to CYTED: Red V-D and Project V-9, and Ministerio de Educación y Ciencia (MEC/FEDER) Project CTQ2006-03973/BQU.
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Vargas, R., Rivas, A.B., Suárez, J.D. et al. Hydroformylation of Hex-1-ene by a Dinuclear gem-Dithiolato-bridged Rhodium Catalyst Under CO/H2O Conditions. Catal Lett 130, 470–475 (2009). https://doi.org/10.1007/s10562-009-9930-1
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DOI: https://doi.org/10.1007/s10562-009-9930-1