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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F08%3A00020017%21RIV09-MSM-22310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
The regioselective nitration of 25,27-dipropoxythiacalix[4]arene was carried out as a key step in the synthesis of thiacalix[4]arene derivative bearing two arylureido functions on the upper rim. The preorganisation of ureido units using the thiacalix[4]arene/calix[4]arene moieties as a molecular scaffold gave novel anion receptors. These compounds, albeit based on hydrogen bonding interactions, show good complexation ability even in highly HB-competitive solvent, such as DMSO. Direct comparison of otherwise identical structures 6a and 7a revealed remarkable dominance of the thiacalix[4]arene derivative over its classical analogue in anion binding. Nové syntetické metodiky umožnily syntézu nových derivátů calixarenu a thiacalixarenu, využitelných jako receptory aniontů. The regioselective nitration of 25,27-dipropoxythiacalix[4]arene was carried out as a key step in the synthesis of thiacalix[4]arene derivative bearing two arylureido functions on the upper rim. The preorganisation of ureido units using the thiacalix[4]arene/calix[4]arene moieties as a molecular scaffold gave novel anion receptors. These compounds, albeit based on hydrogen bonding interactions, show good complexation ability even in highly HB-competitive solvent, such as DMSO. Direct comparison of otherwise identical structures 6a and 7a revealed remarkable dominance of the thiacalix[4]arene derivative over its classical analogue in anion binding.
dcterms:title
Anion receptors based on ureido-substituted thiacalix[4]arenes and calix[4]arenes Receptory aniontů na bázi ureido-substituovaných thiacalix[4]arenů a calix[4]arenů. Anion receptors based on ureido-substituted thiacalix[4]arenes and calix[4]arenes
skos:prefLabel
Anion receptors based on ureido-substituted thiacalix[4]arenes and calix[4]arenes Receptory aniontů na bázi ureido-substituovaných thiacalix[4]arenů a calix[4]arenů. Anion receptors based on ureido-substituted thiacalix[4]arenes and calix[4]arenes
skos:notation
RIV/60461373:22310/08:00020017!RIV09-MSM-22310___
n3:aktivita
n16:P
n3:aktivity
P(GA104/07/1242), P(OC 134)
n3:cisloPeriodika
39
n3:dodaniDat
n8:2009
n3:domaciTvurceVysledku
n7:4338820 n7:9416692 n7:8169985
n3:druhVysledku
n13:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
356319
n3:idVysledku
RIV/60461373:22310/08:00020017
n3:jazykVysledku
n10:eng
n3:klicovaSlova
Thiacalixarene synthesis molecular recognition
n3:klicoveSlovo
n15:Thiacalixarene%20synthesis%20molecular%20recognition
n3:kodStatuVydavatele
IE - Irsko
n3:kontrolniKodProRIV
[6D3FEAA33E89]
n3:nazevZdroje
Tetrahedron
n3:obor
n12:CC
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n6:GA104%2F07%2F1242 n6:OC%20134
n3:rokUplatneniVysledku
n8:2008
n3:svazekPeriodika
64
n3:tvurceVysledku
Stibor, Ivan Kroupa, Jan Pojarová, Michaela Lhoták, Pavel Tkadlecová, Marcela
n3:wos
000260082200007
s:issn
0040-4020
s:numberOfPages
5
n14:organizacniJednotka
22310