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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10281898%21RIV15-MSM-11310___
rdf:type
n10:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1002/ejic.201402420
dcterms:description
Four geminal bis(phosphinic acids), namely, aminomethyl-bis(H-phosphinic acid) (H2L1) and 4-aminobutyl-1-hydroxy-1,1-bis(R-phosphinic acid) with R = H (H2L2), Me (H2L3) and CH2CH2COOH (H4L4), were studied. Their acid-base properties and coordination ability towards Cu2+, Ni2+ and Zn2+ ions were studied by potentiometry, UV/Vis spectroscopy and NMR spectroscopy. The amine group in H2L1 has a lower protonation constant (log K-a = 6.79) than those found for other studied bisphosphinates (logK(a) = 10.75-11.05) with distant amine groups. The structure of [Ca(H2L2-O,O')(HL2-O,O')]Cl revealed an octahedral arrangement of the metal coordination sphere and a linear polymeric structure, which forms through eight-membered Ca(-O-P-O-)(2)Ca rings. The structure of [Cu(HL3-O,O')(2)(H2O)]center dot 5H(2)O shows two chelating bisphosphinate groups in an equatorial O-4 environment. The structure of [Cu(H0.5L3-O,O')(NO3)(0.5)]center dot 2.25H(2)O shows two different coordination environments, one is an elongated tetragonal pyramid, and the other is a trigonal bipyramid with a bidentate nitrate ion. Four geminal bis(phosphinic acids), namely, aminomethyl-bis(H-phosphinic acid) (H2L1) and 4-aminobutyl-1-hydroxy-1,1-bis(R-phosphinic acid) with R = H (H2L2), Me (H2L3) and CH2CH2COOH (H4L4), were studied. Their acid-base properties and coordination ability towards Cu2+, Ni2+ and Zn2+ ions were studied by potentiometry, UV/Vis spectroscopy and NMR spectroscopy. The amine group in H2L1 has a lower protonation constant (log K-a = 6.79) than those found for other studied bisphosphinates (logK(a) = 10.75-11.05) with distant amine groups. The structure of [Ca(H2L2-O,O')(HL2-O,O')]Cl revealed an octahedral arrangement of the metal coordination sphere and a linear polymeric structure, which forms through eight-membered Ca(-O-P-O-)(2)Ca rings. The structure of [Cu(HL3-O,O')(2)(H2O)]center dot 5H(2)O shows two chelating bisphosphinate groups in an equatorial O-4 environment. The structure of [Cu(H0.5L3-O,O')(NO3)(0.5)]center dot 2.25H(2)O shows two different coordination environments, one is an elongated tetragonal pyramid, and the other is a trigonal bipyramid with a bidentate nitrate ion.
dcterms:title
Aminoalkyl-1,1-bis(phosphinic acids): Stability, Acid-Base, and Coordination Properties Aminoalkyl-1,1-bis(phosphinic acids): Stability, Acid-Base, and Coordination Properties
skos:prefLabel
Aminoalkyl-1,1-bis(phosphinic acids): Stability, Acid-Base, and Coordination Properties Aminoalkyl-1,1-bis(phosphinic acids): Stability, Acid-Base, and Coordination Properties
skos:notation
RIV/00216208:11310/14:10281898!RIV15-MSM-11310___
n4:aktivita
n5:S n5:P n5:I n5:Z
n4:aktivity
I, P(GPP207/10/P153), P(LD13012), S, Z(MSM0021620857)
n4:cisloPeriodika
26
n4:dodaniDat
n12:2015
n4:domaciTvurceVysledku
n15:9417850 n15:3062228 n15:3978877 n15:8438455 n15:9767878 n15:9695656
n4:druhVysledku
n21:J
n4:duvernostUdaju
n18:S
n4:entitaPredkladatele
n8:predkladatel
n4:idSjednocenehoVysledku
2334
n4:idVysledku
RIV/00216208:11310/14:10281898
n4:jazykVysledku
n7:eng
n4:klicovaSlova
acidity; stability constants; hydrolytic stability; phosphinic acids; O ligands; ligand design
n4:klicoveSlovo
n13:ligand%20design n13:phosphinic%20acids n13:O%20ligands n13:hydrolytic%20stability n13:stability%20constants n13:acidity
n4:kodStatuVydavatele
DE - Spolková republika Německo
n4:kontrolniKodProRIV
[FC3D98897E94]
n4:nazevZdroje
European Journal of Inorganic Chemistry
n4:obor
n20:CA
n4:pocetDomacichTvurcuVysledku
6
n4:pocetTvurcuVysledku
6
n4:projekt
n6:GPP207%2F10%2FP153 n6:LD13012
n4:rokUplatneniVysledku
n12:2014
n4:svazekPeriodika
Neuveden
n4:tvurceVysledku
Kubíček, Vojtěch Hermann, Petr Lukeš, Ivan Procházková, Soňa Kotek, Jan David, Tomáš
n4:wos
000342825900018
n4:zamer
n11:MSM0021620857
s:issn
1434-1948
s:numberOfPages
12
n17:doi
10.1002/ejic.201402420
n19:organizacniJednotka
11310