Aqueous biphasic olefin hydroformylation catalyzed by water-soluble rhodium complexes |
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| Authors: | Trino Suárez Bernardo Fontal Gustavo León Marisela Reyes Fernando Bellandi Ricardo R Contreras Pedro Cancines |
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| Institution: | (1) Facultad de Ciencias, Departamento de Química, Laboratorio de Organometálicos, Universidad de Los Andes, Mérida, 5101, Venezuela |
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| Abstract: | Catalysis with water-soluble rhodium complexes, RhCl(CO)(TPPMS)2, TPPMS = P(C6H5)2(C6H4SO3)] (1), RhCl(CO)(TPPDS)2, TPPDS = P(C6H5)(C6H4SO3)2] (2) and RhCl(CO)(TPPTS)2, TPPTS = P(C6H4SO3)3] (3) in hydroformylation of 1-hexene, 2-pentene, 2,3-dimethyl-1-butene, cyclohexene and several mixtures of these olefins have
been studied, under moderate reaction conditions (T: 50–150 °C; pCO/pH2 = 1; total p: 14–68 bar; Substrate/Catalyst: 600/1) in biphasic toluene/water media. The catalytic system shows high activity
but low selectivity. The linear and branched oxygenated products obtained are equally useful in naphtha upgrading, as observed
in the real El Palito naphtha tried. The catalysts can be recycled several times without significant activity loss. |
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