About: HOST-GUEST INTERACTION OF PESTICIDE BIFENOX WITH CYCLODEXTRIN MOLECULES. AN ELECTROCHEMICAL STUDY

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The reduction of nitroaromatic compound bifenox (methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate) was studied in aprotic solvents in the absence or presence of cyclodextrin (CD) molecules of different cavity sizes. beta CD and gamma CD form complexes with bifenox in DMSO with the complex formation constants (5 +/- 2) x 10(2) M-1 [beta CD-bifenox] and (3 +/- 1) x 10(2) M-1 [gamma CD -bifenox], respectively. Bifenox yields a relatively stable anion radical in dimethyl sulfoxide, which is further reduced at more negative potentials by an overall addition of three electrons and four protons to the corresponding phenylhydroxylamine. In the presence of beta CD the first reduction wave of bifenox becomes irreversible, it is shifted towards more positive potentials and the uptake of more than one electron is observed (up to four electrons during the exhaustive electrolysis). The reduction of nitroaromatic compound bifenox (methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate) was studied in aprotic solvents in the absence or presence of cyclodextrin (CD) molecules of different cavity sizes. beta CD and gamma CD form complexes with bifenox in DMSO with the complex formation constants (5 +/- 2) x 10(2) M-1 [beta CD-bifenox] and (3 +/- 1) x 10(2) M-1 [gamma CD -bifenox], respectively. Bifenox yields a relatively stable anion radical in dimethyl sulfoxide, which is further reduced at more negative potentials by an overall addition of three electrons and four protons to the corresponding phenylhydroxylamine. In the presence of beta CD the first reduction wave of bifenox becomes irreversible, it is shifted towards more positive potentials and the uptake of more than one electron is observed (up to four electrons during the exhaustive electrolysis). (en)
Title	HOST-GUEST INTERACTION OF PESTICIDE BIFENOX WITH CYCLODEXTRIN MOLECULES. AN ELECTROCHEMICAL STUDY HOST-GUEST INTERACTION OF PESTICIDE BIFENOX WITH CYCLODEXTRIN MOLECULES. AN ELECTROCHEMICAL STUDY (en)
skos:prefLabel	HOST-GUEST INTERACTION OF PESTICIDE BIFENOX WITH CYCLODEXTRIN MOLECULES. AN ELECTROCHEMICAL STUDY HOST-GUEST INTERACTION OF PESTICIDE BIFENOX WITH CYCLODEXTRIN MOLECULES. AN ELECTROCHEMICAL STUDY (en)
skos:notation	RIV/61388955:_____/09:00341088!RIV10-MSM-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/08/1157), P(GA203/09/0705), P(GA203/09/1607), P(IAA400400802), P(LC510), P(OC 140), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	11-12
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Pospíšil, Lubomír Sokolová, Romana Hromadová, Magdaléna Lachmanová, Štěpánka
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	317817
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/09:00341088
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	reductions; electroreduction; nitro anion radical; electrochemistry (en)
http://linked.open.../riv/klicoveSlovo	electrochemistry reductions electroreduction nitro anion radical
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[EFF8ABBC63CD]
http://linked.open...i/riv/nazevZdroje	Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Transfer of charge in single and assembled molecules Electrochemistry of natural pigments and their host-guest complexes. http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20140 Tailoring the lock and key motifs in novel low-dimensional structures at electrified interface Cationic redox catalysis and its role in the observation of electrochemical oscillatory phenomena.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	74
http://linked.open...iv/tvurceVysledku	Hromadová, Magdaléna Pospíšil, Lubomír Sokolová, Romana Fanelli, N. Lachmanová, Štěpánka Giannarelli, S.
http://linked.open...ain/vavai/riv/wos	000274667900007
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0010-0765
number of pages	8 (xsd:int)

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