About: New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis

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About: New inorganic-organic hybrid materials based on SBA-15 molecular sieves involved in the quinolines synthesis Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/61388955:_____/12:00437105!RIV15-AV0-61388955
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(KAN100400701)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Čejka, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	154026
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/12:00437105
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mesoporous molecular sieves; heterogeneous catalysis; quinolines (en)
http://linked.open.../riv/klicoveSlovo	mesoporous molecular sieves quinolines heterogeneous catalysis
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[214ECAAECC64]
http://linked.open...i/riv/nazevZdroje	Catalysis Today
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Hybride nanocomposite materials
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	187
http://linked.open...iv/tvurceVysledku	Pérez-Mayoral, E. Čejka, Jiří López-Peinado, A. J. Martín-Aranda, R. M. Soriano, E. López-Sanz, J. Sturm, M.
http://linked.open...ain/vavai/riv/wos	000305368600013
issn	0920-5861
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cattod.2011.12.015

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