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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F10%3A00345152%21RIV11-AV0-61388955
rdf:type
skos:Concept n16:Vysledek
dcterms:description
Herein we report on the experimental and theoretical study of pyrazole alkylation catalyzed by basic mesoporous materials. (Cs)Al-SBA-15 or DEAPTS/MCM-4,1 differing in textural properties and compositions, were found to be efficient catalysts for pyrazole alkylation with different reactive alkyl bromides under thermal activation. They constitute the first examples of modified molecular sieves catalyzing this highly used transformation, showing a higher catalytic activity than other previously reported catalysts. DEAPTS/MCM-41 whose catalytic centers are tertiary amines resulting in the best catalyst for the investigated reactions. Furthermore, the catalytic pyrazole alkylation has been clarified by studying the reaction mechanism using computational approach. Herein we report on the experimental and theoretical study of pyrazole alkylation catalyzed by basic mesoporous materials. (Cs)Al-SBA-15 or DEAPTS/MCM-4,1 differing in textural properties and compositions, were found to be efficient catalysts for pyrazole alkylation with different reactive alkyl bromides under thermal activation. They constitute the first examples of modified molecular sieves catalyzing this highly used transformation, showing a higher catalytic activity than other previously reported catalysts. DEAPTS/MCM-41 whose catalytic centers are tertiary amines resulting in the best catalyst for the investigated reactions. Furthermore, the catalytic pyrazole alkylation has been clarified by studying the reaction mechanism using computational approach.
dcterms:title
Experimental and theoretical study of pyrazole N-alkylation catalyzed by basic modified molecular sieves Experimental and theoretical study of pyrazole N-alkylation catalyzed by basic modified molecular sieves
skos:prefLabel
Experimental and theoretical study of pyrazole N-alkylation catalyzed by basic modified molecular sieves Experimental and theoretical study of pyrazole N-alkylation catalyzed by basic modified molecular sieves
skos:notation
RIV/61388955:_____/10:00345152!RIV11-AV0-61388955
n3:aktivita
n10:Z n10:P
n3:aktivity
P(1QS400400560), Z(AV0Z40400503)
n3:cisloPeriodika
3
n3:dodaniDat
n5:2011
n3:domaciTvurceVysledku
n11:5283396 n11:7016662
n3:druhVysledku
n18:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
258255
n3:idVysledku
RIV/61388955:_____/10:00345152
n3:jazykVysledku
n13:eng
n3:klicovaSlova
pyrazole alkylation; basic mesoporous materials; reaction mechanism
n3:klicoveSlovo
n8:reaction%20mechanism n8:pyrazole%20alkylation n8:basic%20mesoporous%20materials
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[CAD2B3DFC2B9]
n3:nazevZdroje
Chemical Engineering Journal
n3:obor
n14:CF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
8
n3:projekt
n4:1QS400400560
n3:rokUplatneniVysledku
n5:2010
n3:svazekPeriodika
161
n3:tvurceVysledku
Matos, I. Soriano, E. Čejka, Jiří Fonseca, I. López-Peinado, A. J. Zukal, Arnošt Martín-Aranda, R. M. Pérez-Mayoral, E.
n3:wos
000280259200010
n3:zamer
n12:AV0Z40400503
s:issn
1385-8947
s:numberOfPages
7