About: Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA)

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About: Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA) Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Stability constants of the mixed-ligand complexes formed between Cu(Arm)2+, where Arm = 2,20-bipyridine (Bpy) or 1,10-phenanthroline (Phen), and the monoanion or the dianion of 9-[2-(phosphonomethoxy)ethyl]-2-aminopurine (PME2AP) were determined by potentiometric pH titrations in aqueous solution at 25 ºC and I = 0.1M (NaNO3). Speculatively, the reduced stacking intensity, together with a different hydrogen-bonding pattern, could well lead to a different positioning of the 2-aminopurine moiety (compared to the adenine residue) in the active site cavity of nucleic acid polymerases and thus be responsible for the reduced antiviral activity of PME2AP compared with that of PMEA. Stability constants of the mixed-ligand complexes formed between Cu(Arm)2+, where Arm = 2,20-bipyridine (Bpy) or 1,10-phenanthroline (Phen), and the monoanion or the dianion of 9-[2-(phosphonomethoxy)ethyl]-2-aminopurine (PME2AP) were determined by potentiometric pH titrations in aqueous solution at 25 ºC and I = 0.1M (NaNO3). Speculatively, the reduced stacking intensity, together with a different hydrogen-bonding pattern, could well lead to a different positioning of the 2-aminopurine moiety (compared to the adenine residue) in the active site cavity of nucleic acid polymerases and thus be responsible for the reduced antiviral activity of PME2AP compared with that of PMEA. (en)
Title	Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA) Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA) (en)
skos:prefLabel	Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA) Intramolecular .pi.-.pi. stacking interactions in aqueous solution in mixed-ligand copper (II) complexes formed by heteroaromatic amines and the nucleotide analogue (PME2AP), an isomer of the antivirally active (PMEA) (en)
skos:notation	RIV/61388963:_____/09:00326309!RIV10-MSM-61388963
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0508), Z(AV0Z40550506)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Holý, Antonín
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 organické chemie a biochemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	320213
http://linked.open...ai/riv/idVysledku	RIV/61388963:_____/09:00326309
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antiviral activity; intramolecular equilibria; isomeric complexes; phosphonate complexes (en)
http://linked.open.../riv/klicoveSlovo	phosphonate complexes antiviral activity isomeric complexes intramolecular equilibria
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3B1AEA3F38A2]
http://linked.open...i/riv/nazevZdroje	Inorganica chimica acta
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	New Antivirals and Antineoplastics
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	362
http://linked.open...iv/tvurceVysledku	Holý, Antonín Moreno, V. Operschall, B. P. Sigel, H. Fernández-Botello, A.
http://linked.open...ain/vavai/riv/wos	000262978000020
http://linked.open...n/vavai/riv/zamer	Regulace biologických procesů: Chemické modulátory vybraných systémů významných pro medicínu a zemědělství
issn	0020-1693
number of pages	12 (xsd:int)

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