Self-metathesis of methyl oleate on silica-supported Hoveyda–Grubbs catalysts |
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| Affiliation: | 1. Department of Vascular and Endovascular Surgery, PMU, Salzburg, Austria;2. Department of Biostatistics, PMU, Salzburg, Austria;1. Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca'' Foscari Venezia, Via Torino 155, 30172 Mestre Venezia, Italy;2. Departamento de Química Inorgánica, Universidade de Vigo, Facultade de Química, Edificio de Ciencias Experimentais, 36310 Vigo, Galicia, Spain;1. Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, BC V6T 1Z3, Canada;2. Clean Energy Research Center, Korea Institute of Science and Technology, 14 gil 5 Hwarang-no Seongbuk-gu Seoul 136-791, Republic of Korea |
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| Abstract: | The self-metathesis of methyl oleate (MO) to yield 9-octadecene and 9-octadecene-1,18-dioate (9-OD) was studied in liquid-phase on silica-supported Hoveyda–Grubbs complex catalysts (HG/SiO2) containing 0.43–6.0 wt.% HG. The reaction was carried out in a batch reactor at 303–343 K and 101.3 kPa, using cyclohexane as solvent. HG/SiO2 catalysts were active and highly selective for the MO metathesis reaction; equilibrium values of MO conversion and 9-OD yield were reached in 80 min. No catalyst leaching took place in cyclohexane. Catalysts containing HG > 0.87 wt.% showed no significant deactivation after two consecutive catalytic tests. |
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