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Statements

Subject Item
n2:RIV%2F60461373%3A22810%2F11%3A43891911%21RIV12-MSM-22810___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Despite the high nucleophilicity of sulfur atoms, thiacalixarenes have been alkylated only on oxygen atoms thus far. Using strong alkylating agents (triflates, trialkyloxonium salts), the substitution of the sulfur bridges has been successfully accomplished. The corresponding sulfonium salts of thiacalix[4]arene are formed regio- and stereoselectively as a completely new type of substitution pattern In thiacalixarene chemistry. These compounds possess interesting conformational behavior and could be used as unusual alkylating agents with uncommon selectivity. Despite the high nucleophilicity of sulfur atoms, thiacalixarenes have been alkylated only on oxygen atoms thus far. Using strong alkylating agents (triflates, trialkyloxonium salts), the substitution of the sulfur bridges has been successfully accomplished. The corresponding sulfonium salts of thiacalix[4]arene are formed regio- and stereoselectively as a completely new type of substitution pattern In thiacalixarene chemistry. These compounds possess interesting conformational behavior and could be used as unusual alkylating agents with uncommon selectivity.
dcterms:title
S-Alkylation of Thiacalixarenes: A Long-Neglected Possibility in the Calixarene Family S-Alkylation of Thiacalixarenes: A Long-Neglected Possibility in the Calixarene Family
skos:prefLabel
S-Alkylation of Thiacalixarenes: A Long-Neglected Possibility in the Calixarene Family S-Alkylation of Thiacalixarenes: A Long-Neglected Possibility in the Calixarene Family
skos:notation
RIV/60461373:22810/11:43891911!RIV12-MSM-22810___
n8:predkladatel
n12:orjk%3A22810
n5:aktivita
n15:P n15:Z
n5:aktivity
P(GA203/09/0691), P(LC06070), Z(MSM6046137301), Z(MSM6046137302)
n5:cisloPeriodika
15
n5:dodaniDat
n14:2012
n5:domaciTvurceVysledku
n17:7241852
n5:druhVysledku
n11:J
n5:duvernostUdaju
n20:S
n5:entitaPredkladatele
n19:predkladatel
n5:idSjednocenehoVysledku
228086
n5:idVysledku
RIV/60461373:22810/11:43891911
n5:jazykVysledku
n7:eng
n5:klicovaSlova
CHEMISTRY; CALIXARENES; FORMYLATION; UNCOMMON REGIOSELECTIVITY
n5:klicoveSlovo
n18:CHEMISTRY n18:CALIXARENES n18:UNCOMMON%20REGIOSELECTIVITY n18:FORMYLATION
n5:kodStatuVydavatele
US - Spojené státy americké
n5:kontrolniKodProRIV
[2D81EEF6287C]
n5:nazevZdroje
Organic Letters
n5:obor
n9:CC
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
4
n5:projekt
n6:LC06070 n6:GA203%2F09%2F0691
n5:rokUplatneniVysledku
n14:2011
n5:svazekPeriodika
13
n5:tvurceVysledku
Dvořáková, Hana Kundrát, Ondřej Lhoták, Pavel Eigner, Václav
n5:wos
000293252800067
n5:zamer
n10:MSM6046137302 n10:MSM6046137301
s:issn
1523-7060
s:numberOfPages
4
n16:doi
10.1021/ol201546y
n13:organizacniJednotka
22810