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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F12%3A00437105%21RIV15-AV0-61388955
rdf:type
skos:Concept n17:Vysledek
dcterms:description
In this paper we report on the first mesoporous catalyst based on SBA-15 incorporating simultaneously basic and acid functions able to promote the Friedlander reaction between 2-aminoaryl ketones and ethyl acetoacetate leading to quinolines 1 with high yields. From 2-aminobenzophenone (3a) it is possible to prepare quinoline la with the highest selectivity (86%) as compared with other mesoporous acidic catalysts. In contrast, the reaction catalyzed by amine-grafted SBA-15 yielded selectively (98%) the corresponding quinolone 2a in accordance with our previous results. Experimental results have been justified by theoretical calculations as function of the stability of reaction intermediate species, which could be involved in the process. (C) 2011 Elsevier B.V. All rights reserved. In this paper we report on the first mesoporous catalyst based on SBA-15 incorporating simultaneously basic and acid functions able to promote the Friedlander reaction between 2-aminoaryl ketones and ethyl acetoacetate leading to quinolines 1 with high yields. From 2-aminobenzophenone (3a) it is possible to prepare quinoline la with the highest selectivity (86%) as compared with other mesoporous acidic catalysts. In contrast, the reaction catalyzed by amine-grafted SBA-15 yielded selectively (98%) the corresponding quinolone 2a in accordance with our previous results. Experimental results have been justified by theoretical calculations as function of the stability of reaction intermediate species, which could be involved in the process. (C) 2011 Elsevier B.V. All rights reserved.
dcterms:title
New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis
skos:prefLabel
New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis
skos:notation
RIV/61388955:_____/12:00437105!RIV15-AV0-61388955
n4:aktivita
n11:P n11:I
n4:aktivity
I, P(KAN100400701)
n4:cisloPeriodika
1
n4:dodaniDat
n14:2015
n4:domaciTvurceVysledku
n9:7016662
n4:druhVysledku
n7:J
n4:duvernostUdaju
n13:S
n4:entitaPredkladatele
n10:predkladatel
n4:idSjednocenehoVysledku
154026
n4:idVysledku
RIV/61388955:_____/12:00437105
n4:jazykVysledku
n5:eng
n4:klicovaSlova
mesoporous molecular sieves; heterogeneous catalysis; quinolines
n4:klicoveSlovo
n6:quinolines n6:heterogeneous%20catalysis n6:mesoporous%20molecular%20sieves
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[214ECAAECC64]
n4:nazevZdroje
Catalysis Today
n4:obor
n15:CF
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
7
n4:projekt
n12:KAN100400701
n4:rokUplatneniVysledku
n14:2012
n4:svazekPeriodika
187
n4:tvurceVysledku
López-Sanz, J. López-Peinado, A. J. Sturm, M. Martín-Aranda, R. M. Čejka, Jiří Soriano, E. Pérez-Mayoral, E.
n4:wos
000305368600013
s:issn
0920-5861
s:numberOfPages
7
n18:doi
10.1016/j.cattod.2011.12.015