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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F13%3A00395157%21RIV14-GA0-61388955
rdf:type
skos:Concept n12:Vysledek
dcterms:description
Mesoporous molecular silicas and aluminas based materials are excellent model supports for modification with catalytically active species for various organic reactions. They offer well-ordered structures, although of amorphous type, high BET areas, large mesopore volumes, and particularly the flexibility in the pore size adjustment. For application in metathesis, two principal ways of incorporation of catalytically active sites were investigated. The first one represents the modification with inorganic oxides (W, Mo, Re) while the second one is based on immobilization of organometallic complexes (Mo, Ru, W). This review discusses the preparation and properties of both types of heterogeneous catalysts and relates them to the activities, selectivities, and time-on-stream stabilities in different metathesis reactions. Particular attention is devoted to the role of mesoporous supports (textural properties, pore sizes and pore connectivities) as well as to catalyst recycling, real heterogeneous performance without any leaching of active species, and tolerance toward functional groups in the substrates under study. Mesoporous molecular silicas and aluminas based materials are excellent model supports for modification with catalytically active species for various organic reactions. They offer well-ordered structures, although of amorphous type, high BET areas, large mesopore volumes, and particularly the flexibility in the pore size adjustment. For application in metathesis, two principal ways of incorporation of catalytically active sites were investigated. The first one represents the modification with inorganic oxides (W, Mo, Re) while the second one is based on immobilization of organometallic complexes (Mo, Ru, W). This review discusses the preparation and properties of both types of heterogeneous catalysts and relates them to the activities, selectivities, and time-on-stream stabilities in different metathesis reactions. Particular attention is devoted to the role of mesoporous supports (textural properties, pore sizes and pore connectivities) as well as to catalyst recycling, real heterogeneous performance without any leaching of active species, and tolerance toward functional groups in the substrates under study.
dcterms:title
Mesoporous molecular sieves as advanced supports for olefin metathesis catalysts Mesoporous molecular sieves as advanced supports for olefin metathesis catalysts
skos:prefLabel
Mesoporous molecular sieves as advanced supports for olefin metathesis catalysts Mesoporous molecular sieves as advanced supports for olefin metathesis catalysts
skos:notation
RIV/61388955:_____/13:00395157!RIV14-GA0-61388955
n12:predkladatel
n14:ico%3A61388955
n3:aktivita
n16:P n16:I
n3:aktivity
I, P(GBP106/12/G015), P(IAA400400805)
n3:cisloPeriodika
21-22
n3:dodaniDat
n7:2014
n3:domaciTvurceVysledku
n11:4766350 n11:7016662
n3:druhVysledku
n17:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
87418
n3:idVysledku
RIV/61388955:_____/13:00395157
n3:jazykVysledku
n10:eng
n3:klicovaSlova
Olefin metathesis; mesoporous molecular sieves; Heterogeneous catalysts
n3:klicoveSlovo
n15:Heterogeneous%20catalysts n15:Olefin%20metathesis n15:mesoporous%20molecular%20sieves
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[1CAD86E1F588]
n3:nazevZdroje
Coordination Chemistry Reviews
n3:obor
n19:CF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n8:IAA400400805 n8:GBP106%2F12%2FG015
n3:rokUplatneniVysledku
n7:2013
n3:svazekPeriodika
257
n3:tvurceVysledku
Čejka, Jiří Balcar, Hynek
n3:wos
000326773300009
s:issn
0010-8545
s:numberOfPages
18
n6:doi
10.1016/j.ccr.2013.07.026