Journal of the Brazilian Chemical Society p. 2272 - 2279 (2014)
Update date:2022-08-11
Topics:
Segobia, Darío J.
Trasarti, Andrés F.
Apesteguía, Carlos R.
The effect of solvent on Ni(10.5percent)/SiO2 activity and selectivity for the liquid-phase hydrogenation of butyronitrile to butylamines was studied at 373 K and 13 bar using ethanol, benzene, toluene and cyclohexane as solvents. In ethanol, a protic solvent, the Ni catalyst yielded n-butylamine (84percent) and dibutylamine (16percent). When non-polar solvents, such as cyclohexane, toluene or benzene, were used, the solvent-catalyst interaction strength determined the selectivity to n-butylamine: the stronger the solvent-catalyst interaction the higher the n-buylamine production. The yield to n-butylamine in non-polar solvents varied between 39percent (cyclohexane) and 63percent (benzene).
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