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Abstract
Abstract
Microporous, mesoporous and new hybrid materials were studied in verbenol oxide isomerization for the synthesis of biologically active substance with anti-Parkinson activity. H-Si-MCM-41, H-Al-MCM-41, H-Al-MCM-48, H-Beta-25 and H-Beta-300 were compared with hybrid materials. The latter with a zeolite-like micro-mesoporous structure were characterized and evaluated for their catalytic activity for the first time. The approach of dual templating for synthesis of new materials was applied in this work to combine properties of Beta-zeolites and mesoporous cellular foams. The selectivity to the target product was the highest over microporous mild acidic H-Beta-300 and hybrid ZF-100, with also mild acidity and even absence of strong acid sites. Selectivity at 97% and 99% of conversion was 61% and 59% for H-Beta-300 and hybrid ZF-100, respectively.
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Details
1 Johan Gadolin Process Chemistry Centre, Åbo Akademi University, 20500 Turku/Åbo, Finland; Tver State Technical University, Tver 170026, Russia
2 Johan Gadolin Process Chemistry Centre, Åbo Akademi University, 20500 Turku/Åbo, Finland
3 L.V. Pisarzhevskii Institute of Physical Chemistry, National Academy of Sciences, 03028, Kiev, Ukraine
4 Tver State Technical University, Tver 170026, Russia; L.V. Pisarzhevskii Institute of Physical Chemistry, National Academy of Sciences, 03028, Kiev, Ukraine; St.Petersburg State Institute of Technology (Technical University), St. Petersburg 190013, Russia
5 N. N. Vorozhtsov Institute of Organic Chemistry, Russian Academy of Sciences, Novosibirsk 630090, Russia