Journal
CATALYSIS COMMUNICATIONS
Volume 62, Issue -, Pages 62-66Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2015.01.005
Keywords
Butyronitrile hydrogenation; Butylamines; Co catalysts; Solvent effect; Selective hydrogenation
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Funding
- Universidad Nacional del Litoral (UNL)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET)
- Agenda Nacional de Promocion Cientifica y Tecnologica (ANPCyT), Argentina
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The impact of solvent on Co(9.8%)/SiO2 activity and selectivity for the synthesis of n-butylamine from butyronitrile hydrogenation was investigated using methanol, benzene, toluene and cyclohexane as solvents. In non-polar solvents, the yield of n-butylamine increased from 60% to 79% following the order cyclohexane < toluene < benzene. Nevertheless, the highest n-butylamine yield (91%) was obtained in methanol, a protic solvent. The solvent effect on the catalyst performance was interpreted by considering: i) the solvent-catalyst interaction strength and ii) the solvent polarity and its ability for H-bond formation with n-butylamine. (C) 2015 Elsevier B.V. All rights reserved.
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