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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F11%3A10056959%21RIV12-GA0-11310___
rdf:type
skos:Concept n12:Vysledek
rdfs:seeAlso
http://onlinelibrary.wiley.com/doi/10.1002/ejic.201000919/abstract
dcterms:description
Cyclam-based ligand, H7te3p1a, was synthesised and characterised. The ligand is highly basic and the stepwise protonations is dominated by extensive proton relocations. The Cu2+ complexes exhibited very high stability, those of Zn2+, Cd2+, Pb2+, La3+, Sm3+, Gd3+,Ho3+ and Lu3+ presented high stability while that of Ca2+ had lower stability, as expected. Three phosphonate moieties are bound in the Cd2+ complex and several isomer species were present in solution of the Zn2+ complex. A major isomer was stabilised in solution upon heating where only one of the methylphosphonate arms was coordinated to the metal centre and this isomer probably adopts a distorted square pyramidal (type I conformation of the cyclam ring). Cyclam-based ligand, H7te3p1a, was synthesised and characterised. The ligand is highly basic and the stepwise protonations is dominated by extensive proton relocations. The Cu2+ complexes exhibited very high stability, those of Zn2+, Cd2+, Pb2+, La3+, Sm3+, Gd3+,Ho3+ and Lu3+ presented high stability while that of Ca2+ had lower stability, as expected. Three phosphonate moieties are bound in the Cd2+ complex and several isomer species were present in solution of the Zn2+ complex. A major isomer was stabilised in solution upon heating where only one of the methylphosphonate arms was coordinated to the metal centre and this isomer probably adopts a distorted square pyramidal (type I conformation of the cyclam ring).
dcterms:title
A New Tris(phosphonomethyl) Monoacetic Acid Cyclam Derivative: Synthesis, Acid-Base and Metal Complexation Studies A New Tris(phosphonomethyl) Monoacetic Acid Cyclam Derivative: Synthesis, Acid-Base and Metal Complexation Studies
skos:prefLabel
A New Tris(phosphonomethyl) Monoacetic Acid Cyclam Derivative: Synthesis, Acid-Base and Metal Complexation Studies A New Tris(phosphonomethyl) Monoacetic Acid Cyclam Derivative: Synthesis, Acid-Base and Metal Complexation Studies
skos:notation
RIV/00216208:11310/11:10056959!RIV12-GA0-11310___
n12:predkladatel
n13:orjk%3A11310
n3:aktivita
n16:P n16:Z
n3:aktivity
P(GA203/09/1056), P(OC 179), Z(MSM0021620857)
n3:cisloPeriodika
4
n3:dodaniDat
n18:2012
n3:domaciTvurceVysledku
n6:9417850 n6:3978877 n6:8447241
n3:druhVysledku
n9:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
183981
n3:idVysledku
RIV/00216208:11310/11:10056959
n3:jazykVysledku
n7:eng
n3:klicovaSlova
NMR; coordination; stability constants; medical applications; protonation equilibrium; cyclam; 1,4,8,11-tetraazacyclotetradecane; macrocyclic ligands; copper(II) compelxes; lanthanide(III) complexes; phosphonate complexes
n3:klicoveSlovo
n5:coordination n5:8 n5:medical%20applications n5:protonation%20equilibrium n5:stability%20constants n5:cyclam n5:4 n5:lanthanide%28III%29%20complexes n5:phosphonate%20complexes n5:1 n5:copper%28II%29%20compelxes n5:11-tetraazacyclotetradecane n5:macrocyclic%20ligands n5:NMR
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[66D97BE48FAF]
n3:nazevZdroje
European Journal of Inorganic Chemistry
n3:obor
n11:CA
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:projekt
n10:GA203%2F09%2F1056 n10:OC%20179
n3:rokUplatneniVysledku
n18:2011
n3:svazekPeriodika
Neuveden
n3:tvurceVysledku
Hermann, Petr Plutnar, Jan Kotek, Jan Delgado, Rita Lima, Luis M. P
n3:wos
000287160500010
n3:zamer
n22:MSM0021620857
s:issn
1434-1948
s:numberOfPages
12
n21:doi
10.1002/ejic.201000919
n4:organizacniJednotka
11310