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Article Dans Une Revue Organometallics Année : 2020

Ethenolysis of Renewable Methyl Oleate Catalyzed by Readily Accessible Supported Group VI Oxo Catalysts

Résumé

The conversion of methyl oleate by cross-metathesis with ethylene using readily accessible supported group VI oxo species was addressed. TON up to 500 and 5000 were achieved using bisgrafted tungsten-and molybdenum based systems, respectively (SiO) 2 M(O)R 2 (M = W, R = CH 2 SiMe 3 , M = Mo, R = CH 2 CMe 3). In the case of molybdenum, these results are comparable to those obtained by Mo-based systems in homogeneous catalysis. Optimization studies showed that ethylene pressure plays a major role in these systems, with inhibition at high pressure resulting from degenerated metathesis involving ethylene and αolefins.

Domaines

Catalyse
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Dates et versions

hal-03022577 , version 1 (25-11-2020)

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Pascal Rouge, Kai C Szeto, Yassine Bouhoute, Nicolas Merle, Aimery de Mallmann, et al.. Ethenolysis of Renewable Methyl Oleate Catalyzed by Readily Accessible Supported Group VI Oxo Catalysts. Organometallics, 2020, ⟨10.1021/acs.organomet.9b00823⟩. ⟨hal-03022577⟩
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