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Methoxylation of alpha-pinene over heteropolyacids immobilized in silica
Pito, DS; Matos, I; Fonseca, I; Ramos, A; Vital, J; Castanheiro, JoséThe methoxylation of a-pinene was studied using heteropolyacids immobilized on silica as catalysts, at 60 ºC, being the a-terpinyl methyl ether the main product. Tungstophosphoric acid (PW), molybdophosphoric acid (PMo), tungstosilicic acid (SiW) and molybdosilicic acid (SiMo) were immobilized on silica by sol–gel method. It was observed that the catalytic activity of the silica-supported heteropolyacids decrea...
Data: 2010
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Origem: Repositório Científico da Universidade de Évora
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