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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F07%3A00005817%21RIV10-MSM-15310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
ACN is a better solvent than methanol for both [NMe4] [7-(2-pyridyl)-nido-7,8-C2B9H11] and its protonated anion. The investigated laboratory preparations of the salt and of its protonated anion are electrophoretically pure solids stable for 2 months at 4°C. At a longer storage, the solid salt is more stable than the solid protonated anion. In the 40:60 v/v water-methanol solvent, decomposition products of the salt anion are detectable after one-week storage of the salt solution at 4°C. The protonated anion does not decompose for almost 1 year in water-organic solutions at 4°C. The exchange of the proton between the protonated anion and the solution is reversible and fast at room temperature. The pH dependence of the mobility of the [7-(2(-pyridyl)-nido-7,8-C2B9H11]- anion reveals that the basicity of the nitrogen atom in the pyridine ring is not significantly affected by the bonding of the pyridyl group to the nido-7,8-C2B9H11 cluster in position 7 and that the proton from the solution is accepted by ACN is a better solvent than methanol for both [NMe4] [7-(2-pyridyl)-nido-7,8-C2B9H11] and its protonated anion. The investigated laboratory preparations of the salt and of its protonated anion are electrophoretically pure solids stable for 2 months at 4°C. At a longer storage, the solid salt is more stable than the solid protonated anion. In the 40:60 v/v water-methanol solvent, decomposition products of the salt anion are detectable after one-week storage of the salt solution at 4°C. The protonated anion does not decompose for almost 1 year in water-organic solutions at 4°C. The exchange of the proton between the protonated anion and the solution is reversible and fast at room temperature. The pH dependence of the mobility of the [7-(2(-pyridyl)-nido-7,8-C2B9H11]- anion reveals that the basicity of the nitrogen atom in the pyridine ring is not significantly affected by the bonding of the pyridyl group to the nido-7,8-C2B9H11 cluster in position 7 and that the proton from the solution is accepted by
dcterms:title
Electrophoretic investigation of the boron cluster anion [7-(2-pyridyl)-nido-7,8-dicarbaundecaborate]- and its protonated zwitterionic product Electrophoretic investigation of the boron cluster anion [7-(2-pyridyl)-nido-7,8-dicarbaundecaborate]- and its protonated zwitterionic product
skos:prefLabel
Electrophoretic investigation of the boron cluster anion [7-(2-pyridyl)-nido-7,8-dicarbaundecaborate]- and its protonated zwitterionic product Electrophoretic investigation of the boron cluster anion [7-(2-pyridyl)-nido-7,8-dicarbaundecaborate]- and its protonated zwitterionic product
skos:notation
RIV/61989592:15310/07:00005817!RIV10-MSM-15310___
n3:aktivita
n7:Z n7:S n7:P
n3:aktivity
P(IAA400310613), P(KJB400310705), S, Z(AV0Z40310501), Z(MSM6198959216)
n3:cisloPeriodika
16
n3:dodaniDat
n5:2010
n3:domaciTvurceVysledku
n11:3217582
n3:druhVysledku
n17:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
419789
n3:idVysledku
RIV/61989592:15310/07:00005817
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Acid-base properties; Boron cluster compound; Capillary electrophoresis; Chirality; Cyclodextrin
n3:klicoveSlovo
n14:Capillary%20electrophoresis n14:Boron%20cluster%20compound n14:Acid-base%20properties n14:Chirality n14:Cyclodextrin
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[23112B94C742]
n3:nazevZdroje
Journal of Separation Science
n3:obor
n15:CB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n4:IAA400310613 n4:KJB400310705
n3:rokUplatneniVysledku
n5:2007
n3:svazekPeriodika
30
n3:tvurceVysledku
Horáková, Hana Laromaine, Anna Vespalec, Radim Vinas, Clara Langauf, Aleš
n3:zamer
n8:MSM6198959216 n8:AV0Z40310501
s:issn
1615-9306
s:numberOfPages
9
n13:organizacniJednotka
15310