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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F10%3A00437032%21RIV15-GA0-61388955
rdf:type
skos:Concept n11:Vysledek
dcterms:description
Catalytic performance of zeolites H-BEA, H-MFI, H-FAU and H-MOR, exhibiting textural differences and with different Bronsted and Lewis acid sites concentration, have been studied in the synthesis of quinolines via Friedlander reaction. H-BEA and H-FAU efficiently promoted the condensation of 2-aminoaryl ketones 3 with ethyl acetoacetate (4a) or acetylacetone (4b) under mild reaction conditions, those being the first examples of zeolites as catalysts for this transformation. While H-FAU showed similar catalytic behaviour than that reported for (Al)SBA-15 affording mixtures of quinolines 5 and quinolones 6, H-BEA mainly led to quinolines 5 in almost total selectivity and good yields. However, H-MFI and H-MOR zeolites afforded quinolones 6 as the major reaction product. Methodology reported here was found to be useful for the synthesis of biologically active compounds with excellent yields avoiding unnecessary purifications protocols and tedious work-up procedures. Catalytic performance of zeolites H-BEA, H-MFI, H-FAU and H-MOR, exhibiting textural differences and with different Bronsted and Lewis acid sites concentration, have been studied in the synthesis of quinolines via Friedlander reaction. H-BEA and H-FAU efficiently promoted the condensation of 2-aminoaryl ketones 3 with ethyl acetoacetate (4a) or acetylacetone (4b) under mild reaction conditions, those being the first examples of zeolites as catalysts for this transformation. While H-FAU showed similar catalytic behaviour than that reported for (Al)SBA-15 affording mixtures of quinolines 5 and quinolones 6, H-BEA mainly led to quinolines 5 in almost total selectivity and good yields. However, H-MFI and H-MOR zeolites afforded quinolones 6 as the major reaction product. Methodology reported here was found to be useful for the synthesis of biologically active compounds with excellent yields avoiding unnecessary purifications protocols and tedious work-up procedures.
dcterms:title
Zeolites Promoting Quinoline Synthesis via Friedlander Reaction Zeolites Promoting Quinoline Synthesis via Friedlander Reaction
skos:prefLabel
Zeolites Promoting Quinoline Synthesis via Friedlander Reaction Zeolites Promoting Quinoline Synthesis via Friedlander Reaction
skos:notation
RIV/61388955:_____/10:00437032!RIV15-GA0-61388955
n3:aktivita
n10:Z n10:P
n3:aktivity
P(GD203/08/H032), Z(AV0Z40400503)
n3:cisloPeriodika
19-20
n3:dodaniDat
n15:2015
n3:domaciTvurceVysledku
n5:4492803
n3:druhVysledku
n19:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
299927
n3:idVysledku
RIV/61388955:_____/10:00437032
n3:jazykVysledku
n17:eng
n3:klicovaSlova
heterogeneous catalysis; zeolites; quinolines
n3:klicoveSlovo
n16:quinolines n16:heterogeneous%20catalysis n16:zeolites
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[342B9B71B549]
n3:nazevZdroje
Topics in Catalysis
n3:obor
n6:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n7:GD203%2F08%2FH032
n3:rokUplatneniVysledku
n15:2010
n3:svazekPeriodika
53
n3:tvurceVysledku
Pérez-Mayoral, E. López-Peinado, A. J. Martín-Aranda, R. M. López-Sanz, J. Vitvarová, Dana
n3:wos
000283584800019
n3:zamer
n8:AV0Z40400503
s:issn
1022-5528
s:numberOfPages
8
n18:doi
10.1007/s11244-010-9603-8