1985
DOI: 10.1007/bf00948036
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Reactivity of 3- and 4-methylphenols in alkylation by methanol on a vanadium catalyst

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Cited by 2 publications
(2 citation statements)
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“…As to the alkylation of phenol with t-butyl alcohol reaction, the known catalytic systems include Lewis acids, Brønsted acids [28], montmorillonite [29], metal oxide [30][31], aluminum salt catalyst [32], cation-exchange resin [33,34], zeolites [35,36], molecular sieves [29], supercritical or near-critical water [37] and ionic liquids [38]. Although cation-exchange resin catalysts have some advantages over other catalysts such as no equipment corrosion and no pollution of the environment, they still possess lots of disadvantages.…”
Section: Acid-catalyzed Reactions Over Wells-dawson Type Molybdovanadmentioning
confidence: 99%
“…As to the alkylation of phenol with t-butyl alcohol reaction, the known catalytic systems include Lewis acids, Brønsted acids [28], montmorillonite [29], metal oxide [30][31], aluminum salt catalyst [32], cation-exchange resin [33,34], zeolites [35,36], molecular sieves [29], supercritical or near-critical water [37] and ionic liquids [38]. Although cation-exchange resin catalysts have some advantages over other catalysts such as no equipment corrosion and no pollution of the environment, they still possess lots of disadvantages.…”
Section: Acid-catalyzed Reactions Over Wells-dawson Type Molybdovanadmentioning
confidence: 99%
“…Se han estudiado algunos sistemas catalíticos para la oxidación de TMP a TMBQ utilizando oxidantes "limpios" y de bajo costo, como oxígeno molecular y peróxido de hidrógeno. Entre los sistemas catalíticos evaluados figuran sales de cobre/O 2 [83,84], complejos de cobalto base de Schiff/O 2 [85,86], sales de rutenio/H2O2 [87] y heteropoli e isopoli compuestos solubles en el medio de reacción/H 2 O 2 [88,89] u O 2 [90,91]. La principal desventaja de los mencionados sistemas es el uso de catálisis homogénea que conduce a conocidos problemas en la separación del catalizador y, por lo tanto, pueden resultar contaminantes del producto esperado con peligrosos compuestos de metales de transición.…”
Section: I43 Oxidación De Arenos Y Fenolesunclassified