Catalytic epoxidation of unsaturated alcohols on Ti-MCM-41 (Articolo in rivista)

Type
Label
  • Catalytic epoxidation of unsaturated alcohols on Ti-MCM-41 (Articolo in rivista) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0920-5861(00)00338-2 (literal)
Alternative label
  • Christian Berlini, Matteo Guidotti, Giuliano Moretti, Rinaldo Psaro, Nicoletta Ravasio (2000)
    Catalytic epoxidation of unsaturated alcohols on Ti-MCM-41
    in Catalysis Today; Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Christian Berlini, Matteo Guidotti, Giuliano Moretti, Rinaldo Psaro, Nicoletta Ravasio (literal)
Pagina inizio
  • 219 (literal)
Pagina fine
  • 225 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S0920586100003382 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 60 (literal)
Rivista
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  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dip. Chimica Inorganica metallorganica e analitica, Universita' di Milano, Milano, Italy; Centro CNR CSSCMTBSO, Milano, Italy; Dipartimento di Chimica, CNR Centro SACSO, Roma, Italy (literal)
Titolo
  • Catalytic epoxidation of unsaturated alcohols on Ti-MCM-41 (literal)
Abstract
  • The catalytic epoxidation of a series of unsaturated terpenic alcohols was carried out on titanium-containing MCM-41 mesoporous materials with tert-butylhydroperoxide. A direct comparison between in-framework Ti-MCM-41 and Ti-grafted MCM-41 showed a better performance of the latter, even if the difference between them becomes lower as the alcoholic group approaches the C?C double bond. At 358 K and in both acetonitrile and ethyl acetate, the epoxidation rate of the double bond is ruled, on these catalysts, mainly by electronic factors, which cause the preferential oxidation of internal unsaturations instead of the terminal ones. It is also governed by the OH-function position, so that, particularly in ethyl acetate, the closer the hydroxyl group to the unsaturation, the higher is the conversion rate of the terpene. (literal)
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