The isomerisation of allylbenzene, dimethoxyallylbenzene (4-allyl-1,2-dimethoxybenzene), eugenol (2-methoxy-4-(2-propenyl)phenol), and estragole (4-allylanisole) into their respective cis/trans internal alkenyl aromatics has been studied over a supported solid base catalysts (K2CO3/alumina). The catalyst was active at 305 K with conversions as high as 36%. However all reactants cause deactivation of the catalyst.
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Al-Maskery, I., Girling, K., Jackson, S.D. et al. High Activity Solid Base Catalysts for Alkenyl Aromatic Isomerisation. Top Catal 53, 1163–1165 (2010). https://doi.org/10.1007/s11244-010-9554-0
- Alkenyl aromatic isomerisation
- Base catalysis