Generation of Brönsted acidity in AlMCM-41 by sulphation for enhanced liquid phase tert-butylation of phenol
AlMCM-41 mesoporous molecular sieve modified by impregnation with sulphuric acid in toluene possesses only Brönsted acid sites. The catalyst exhibits a high catalytic activity for tert-butylation of phenol with high selectivity to 2,4-di-tert-butylphenol in liquid phase. 27Al MAS NMR study indicat...
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Elsevier B.V.
2007
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| நிகழà¯à®¨à®¿à®²à¯ˆ அணà¯à®•à®²à¯: | http://eprints.utm.my/7316/ http://eprints.utm.my/7316/ http://eprints.utm.my/7316/ |
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http://eprints.utm.my/7316/http://eprints.utm.my/7316/
http://eprints.utm.my/7316/