Heteropoly acid catalysts in upgrading of biorenewables : synthesis of para-menthenic fragrance compounds from α-pinene oxide.
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2020
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Resumo
The isomerization of α-pinene oxide in the presence of Cs2.5H0.5PW12O40 (CsPW) heteropolysalt as solid acid catalyst is reported. The reactions were performed in various solvents, which allowed to obtain trans-carveol, trans-sobrerol and pinol in 60–80% yield each, which exceed the yields reported so far. The CsPW catalyst could be recovered and reused without loss of its activity and selectivity.
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Biomass-based feedstock, Isomerization, Heterogeneous catalysis
Citação
RIBEIRO, C. J. A. et al. Heteropoly acid catalysts in upgrading of biorenewables : synthesis of para-menthenic fragrance compounds from α-pinene oxide. Catalysis Today, v. 344, p. 166-170, 2020. Disponível em: <https://www.sciencedirect.com/science/article/abs/pii/S0920586118305674?via%3Dihub>. Acesso em: 10 jun. 2021.