About: Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr

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About: Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A new series of the boron substituted cobalt bis(dicarbollide)(1-) ion (1) derivatives of the general formula closo-[(8-X-(CH2CH2O)(2)-1,2-C2B9H10)(1',2'-C2B9H11)-3,3'-Co](-) (X = 1-O-2-CH3O-C6H4 (3), 1-O-2-C6H5CH2-C6H4 (4), l-O-4-t-C8H17-C6H4 (5), -P(O)(OC4H9)(2) (6) and -P(O)(OC4H9)(OH) (7) was prepared by ring cleavage of 8-dioxane-1 derivative (2). The compounds were synthesized with the aim to develop a new class of extraction agents effective for liquid-liquid extraction of polyvalent cations, i.e. lanthanides and actinides from high level activity nuclear waste. All compounds were characterized by a combination of B-11 NMR, H-1 high field NMR methods, mass spectrometry with electrospray ionization, HPLC and other techniques. The molecular structure of the sodium salt of anion 3 was determined by single crystal X-ray diffraction analysis. Crystallographic results proved the sodium atom is tightly coordinated to five oxygen atoms of the spacer chain, the guaiacolyl terminal group X and one water A new series of the boron substituted cobalt bis(dicarbollide)(1-) ion (1) derivatives of the general formula closo-[(8-X-(CH2CH2O)(2)-1,2-C2B9H10)(1',2'-C2B9H11)-3,3'-Co](-) (X = 1-O-2-CH3O-C6H4 (3), 1-O-2-C6H5CH2-C6H4 (4), l-O-4-t-C8H17-C6H4 (5), -P(O)(OC4H9)(2) (6) and -P(O)(OC4H9)(OH) (7) was prepared by ring cleavage of 8-dioxane-1 derivative (2). The compounds were synthesized with the aim to develop a new class of extraction agents effective for liquid-liquid extraction of polyvalent cations, i.e. lanthanides and actinides from high level activity nuclear waste. All compounds were characterized by a combination of B-11 NMR, H-1 high field NMR methods, mass spectrometry with electrospray ionization, HPLC and other techniques. The molecular structure of the sodium salt of anion 3 was determined by single crystal X-ray diffraction analysis. Crystallographic results proved the sodium atom is tightly coordinated to five oxygen atoms of the spacer chain, the guaiacolyl terminal group X and one water (en)
Title	Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr (en)
skos:prefLabel	Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr Synthesis of functionalized cobaltacarboranes based on the closo-[(1,2-C2B9H11)(2)-3,3 '-Co](-) ion bearing polydentate ligands for separation of M3+ cations from nuclear waste solutions. Electrochemical and liquid-liquid extraction study of selective tr (en)
skos:notation	RIV/61388980:_____/02:50023049!RIV/2003/GA0/A50003/N
http://linked.open.../vavai/riv/strany	975;986
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/01/0142), P(GA104/99/1096), P(GA203/99/M037), P(LB98233), P(LN00A028), Z(AV0Z4031919), Z(AV0Z4032918), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	9-10
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Báča, Jiří Heřmánek, Stanislav Grüner, Bohumír Plešek, Jaromír
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 anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	666166
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/02:50023049
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carboranes; carba metallaboranes; dicarbollides (en)
http://linked.open.../riv/klicoveSlovo	dicarbollides carboranes carba metallaboranes
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[0552F0CF4B45]
http://linked.open...i/riv/nazevZdroje	Polyhedron
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	New inorganic compounds and advanced materials Improved dicarbollide extraction technology for izolation of 137Cs, 90Sr and trivalent elements from nuclear waste Proposal of a general procedure for a selective transfer of cations Mn(n+) (n = 1-4) from aqueous to organic phase with emphasis on ecologically dangerous catio Centre of molecular and crystal structures VNMR NET - integrated network for collection, sharing and sophisticated processing of NMR data
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Císařová, I. Grüner, Bohumír Plešek, Jaromír Čáslavský, Josef Mareček, Vladimír Holub, Karel Selucký, P. Rais, J. Jänchenová, Hana Báča, Jiří Lhotský, Alexandr Heřmánek, Stanislav
http://linked.open...n/vavai/riv/zamer	Synthesis and structure of novel (inorganic) compounds, clusters and composites; mechanisms of conversion and transfer in systems involving inorganic substance Vyvinutí nových metod analytické chemie pro potřeby společenské praxe Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	0277-5387
number of pages	12 (xsd:int)

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