Phosphotungstic heteropoly acid as efficient heterogeneous catalyst for solvent-free isomerization of a-pinene and longifolene.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorRocha, Kelly Alessandra da Silva-
Autor(es): dc.creatorRobles Azocar, Patrícia Alejandra-
Autor(es): dc.creatorKozhevnikov, Ivan V.-
Autor(es): dc.creatorGusevskaya, Elena Vitalievna-
Data de aceite: dc.date.accessioned2025-08-21T15:38:24Z-
Data de disponibilização: dc.date.available2025-08-21T15:38:24Z-
Data de envio: dc.date.issued2015-04-17-
Data de envio: dc.date.issued2015-04-17-
Data de envio: dc.date.issued2009-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/5126-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.apcata.2008.10.005-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1020400-
Descrição: dc.descriptionSilica-supported H3PW12O40 (PW), the strongest heteropoly acid in the Keggin series, is an efficient, environmentally friendly heterogeneous catalyst for the liquid-phase isomerization of a-pinene and longifolene into their more valuable isomers – camphene and isolongifolene, respectively, which are intermediates in the synthesis of expensive fragrances. The reactions occur under solvent-free conditions in the temperature range of 80–100 8C, with low catalyst loadings (0.15–5 wt%) and high turnover numbers (up to 6000 per proton). The catalyst can be easily recovered and reused. No PW leaching is observed in the reaction system.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsO periódico Applied Catalysis A: General concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3581990121031.-
Palavras-chave: dc.subjectIsomerization-
Palavras-chave: dc.subjectTerpenes-
Palavras-chave: dc.subjectAcid catalysis-
Palavras-chave: dc.subjectHeteropoly acid-
Título: dc.titlePhosphotungstic heteropoly acid as efficient heterogeneous catalyst for solvent-free isomerization of a-pinene and longifolene.-
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