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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F13%3A00421160%21RIV14-GA0-61388955
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Catalytic behavior of isomorphously substituted B-, Al-, Ga-, and Fe-containing extra-large pore UTL zeolites was investigated in Knoevenagel condensation involving aldehydes, Pechmann condensation of 1-naphthol with ethylacetoacetate, and Prins reaction of β-pinene with formaldehyde and compared with large-pore aluminosilicate zeolite beta and representative Metal-Organic-Frameworks Cu3(BTC)2 and Fe(BTC). The yield of the target product over the investigated catalysts in Knoevenagel condensation increases in the following sequence: (Al)beta < (Al)UTL < (Ga)UTL < (Fe)UTL < Fe(BTC) < (B)UTL < Cu3(BTC)2 being mainly related to the improving selectivity with decreasing strength of active sites of the individual catalysts. The catalytic performance of Fe(BTC), containing the highest concentration of Lewis acid sites of the appropriate strength is superior over large-pore zeolite (Al)beta and B-, Al-, Ga-, Fe-substituted extra-large pore zeolites UTL in Prins reaction of β-pinene with formaldehyde and Pechmann condensation of 1-naphthol with ethylacetoacetate. Catalytic behavior of isomorphously substituted B-, Al-, Ga-, and Fe-containing extra-large pore UTL zeolites was investigated in Knoevenagel condensation involving aldehydes, Pechmann condensation of 1-naphthol with ethylacetoacetate, and Prins reaction of β-pinene with formaldehyde and compared with large-pore aluminosilicate zeolite beta and representative Metal-Organic-Frameworks Cu3(BTC)2 and Fe(BTC). The yield of the target product over the investigated catalysts in Knoevenagel condensation increases in the following sequence: (Al)beta < (Al)UTL < (Ga)UTL < (Fe)UTL < Fe(BTC) < (B)UTL < Cu3(BTC)2 being mainly related to the improving selectivity with decreasing strength of active sites of the individual catalysts. The catalytic performance of Fe(BTC), containing the highest concentration of Lewis acid sites of the appropriate strength is superior over large-pore zeolite (Al)beta and B-, Al-, Ga-, Fe-substituted extra-large pore zeolites UTL in Prins reaction of β-pinene with formaldehyde and Pechmann condensation of 1-naphthol with ethylacetoacetate.
dcterms:title
Catalytic performance of Metal-Organic-Frameworks vs.extra-large porezeolite UTL in condensation reactions Catalytic performance of Metal-Organic-Frameworks vs.extra-large porezeolite UTL in condensation reactions
skos:prefLabel
Catalytic performance of Metal-Organic-Frameworks vs.extra-large porezeolite UTL in condensation reactions Catalytic performance of Metal-Organic-Frameworks vs.extra-large porezeolite UTL in condensation reactions
skos:notation
RIV/61388955:_____/13:00421160!RIV14-GA0-61388955
n8:predkladatel
n10:ico%3A61388955
n3:aktivita
n4:P n4:I
n3:aktivity
I, P(GBP106/12/G015)
n3:cisloPeriodika
AUG 2013
n3:dodaniDat
n15:2014
n3:domaciTvurceVysledku
n6:7016662 Shamzhy, Mariya Opanasenko, Maksym
n3:druhVysledku
n7:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
64409
n3:idVysledku
RIV/61388955:_____/13:00421160
n3:jazykVysledku
n17:eng
n3:klicovaSlova
condensation reactions; MOFs; zeolites
n3:klicoveSlovo
n14:zeolites n14:condensation%20reactions n14:MOFs
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[C0DC74D868D5]
n3:nazevZdroje
Frontiers in Chemistry
n3:obor
n11:CF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n12:GBP106%2F12%2FG015
n3:rokUplatneniVysledku
n15:2013
n3:svazekPeriodika
1
n3:tvurceVysledku
Shamzhy, Mariya Shvets, O. V. Opanasenko, Maksym Čejka, Jiří
s:issn
2296-2646
s:numberOfPages
11
n19:doi
10.3389/fchem.2013.00011