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Solvent-free γ-valerolactone hydrogenation to 2-methyltetrahydrofuran catalysed by Ru/C: a reaction network analysis

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Al Shaal,  Mohammad Ghith
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Palkovits,  Regina
Chair for Heterogeneous Catalysis and Chemical Technology, Institut für Technische und Makromolekulare Chemie, RWTH, Aachen University, Worringerweg 1, Aachen, Germany ;
Research Group Palkovits, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Al Shaal, M. G., Dzierbinski, A., & Palkovits, R. (2014). Solvent-free γ-valerolactone hydrogenation to 2-methyltetrahydrofuran catalysed by Ru/C: a reaction network analysis. Green Chemistry, 16(3), 1358-1364. doi:10.1039/C3GC41803K.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-8160-2
Abstract
2-Methyltetrahydrofuran (2-MTHF) is considered to be an attractive biomass based platform chemical with high potential as a biofuel compound and as a green solvent. 2-MTHF can be synthesised from bio-based levulinic acid (LA) and γ-valerolactone (GVL). Herein the optimum reaction conditions for the hydrogenation of GVL over Ru/C have been studied. A full conversion of GVL has been obtained under solvent free conditions with a maximum yield of 2-MTHF of 43%. The optimized conditions have been employed in a mechanistic study of the synthesis of 2-MTHF. Several side reactions have been investigated to explore the full reaction network of this heterogeneously catalysed system and to elucidate the factors influencing product selectivity. Additionally an efficient solvent-free hydrogenation reaction of LA into 2-MTHF could be achieved delivering 90% conversion of LA with a yield of 2-MTHF of 61% by removing water from the system in a two-step approach.