A comparison between [Ti]-MCM-41 and amorphous mesoporous silica-titania as catalysts for the epoxidation of bulky unsaturated alcohols (Articolo in rivista)

Type
Label
  • A comparison between [Ti]-MCM-41 and amorphous mesoporous silica-titania as catalysts for the epoxidation of bulky unsaturated alcohols (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S1387-1811(01)00239-6 (literal)
Alternative label
  • Berlini, C; Ferraris, G; Guidotti, M; Moretti, G; Psaro, R; Ravasio, N (2001)
    A comparison between [Ti]-MCM-41 and amorphous mesoporous silica-titania as catalysts for the epoxidation of bulky unsaturated alcohols
    in Microporous and mesoporous materials (Print); Elsevier BV, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Berlini, C; Ferraris, G; Guidotti, M; Moretti, G; Psaro, R; Ravasio, N (literal)
Pagina inizio
  • 595 (literal)
Pagina fine
  • 602 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44-45 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ctr CNR, CSSCMTBSO, Dipartimento Chim Inorgan Metallorgan & Anali, I-20133 Milan, Italy Ctr CNR, SACSO, Dipartimento Chim, I-00185 Rome, Italy (literal)
Titolo
  • A comparison between [Ti]-MCM-41 and amorphous mesoporous silica-titania as catalysts for the epoxidation of bulky unsaturated alcohols (literal)
Abstract
  • The preparation of a new amorphous mesoporous silica-titania (MST) is here reported. Following a modification of the standard procedure employed in the preparation of TS-1, a material showing a narrow pore size distribution in the mesopore region (approximate to 30 A mean pore diameter) is obtained. The catalytic features, tested in the epoxidation of a series of unsaturated terpenic alcohols, were compared with those of an ordered mesoporous material as Ti-containing MCM-41. MST displayed mainly a higher activity than [Ti]-MCM-41 and a progressive increase in epoxidation rate was observed passing from bishomoallylic to allylic alcohols. Under these conditions, a global improvement in alkene conversion was achieved using methylacetate as solvent, without a remarkable loss in epoxide selectivity. During repeated recycles no significant changes in both catalytic performances and active metal content were recorded. (literal)
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