About: Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone

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About: Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	From extraction experiments and gamma-activity measurements, the extraction constant corresponding to the equilibrium H3O+(aq) + 1-Na+(nb) reversible arrow 1 center dot H3O+ (nb) + Na+(aq) taking place in the two-phase water-nitrobenzene system (1 = tetramethyl p-tert-butylcaix[4]arene tetraketone; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K-ex(H3O+, 1 center dot Na+) = -0.6 +/- 0.1. From extraction experiments and gamma-activity measurements, the extraction constant corresponding to the equilibrium H3O+(aq) + 1-Na+(nb) reversible arrow 1 center dot H3O+ (nb) + Na+(aq) taking place in the two-phase water-nitrobenzene system (1 = tetramethyl p-tert-butylcaix[4]arene tetraketone; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K-ex(H3O+, 1 center dot Na+) = -0.6 +/- 0.1. (en) Z extrakčních experimentů a měření gama-aktivity byla získána extrakční konstanta ve tvaru log K (H3O+, 1.Na+) = -0.6 +/- 0.1 odpovídající rovnováze H3O+(aq) + 1.Na+(nb) = 1.H3O+ (nb) + Na+(aq) existující ve dvoufázovém systému voda-nitrobenzen (1 = tetramethyl p-tert-butylcaix[4]arene tetraketon; aq = vodní fáze, nb = nitrobenzenová fáze). (cs)
Title	Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Experimentální evidence, stabilita a navržená struktura protonovaného tetramethyl p-tert-butylcalix[4]arene tetraketonu (cs) Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone (en)
skos:prefLabel	Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Experimentální evidence, stabilita a navržená struktura protonovaného tetramethyl p-tert-butylcalix[4]arene tetraketonu (cs) Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone (en)
skos:notation	RIV/61389013:_____/08:00323759!RIV09-AV0-61389013
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z40500505), Z(MSM4977751303), Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Dybal, 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 makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	367188
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/08:00323759
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	calixarene; protonation; stability constant (en)
http://linked.open.../riv/klicoveSlovo	calixarene stability constant protonation
http://linked.open...odStatuVydavatele	PL - Polská republika
http://linked.open...ontrolniKodProRIV	[1E0CA7F0F638]
http://linked.open...i/riv/nazevZdroje	Polish Journal of Chemistry
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	82
http://linked.open...iv/tvurceVysledku	Dybal, Jiří Makrlík, E. Vaňura, P. Budka, J.
http://linked.open...ain/vavai/riv/wos	000257175700014
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie Predikce poruch heterogenních materiálů, komponent mechanických a biomechanických systémů. Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	0137-5083
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone Experimental evidence, stability and proposed structure of protonated tetramethyl p-tert-butylcalix[4]arene tetraketone

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