About: Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions

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About: Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The shape of plots of limiting Currents of some hydrazones and oximes as a function of pH, the slopes of E-1/2-pH plots (particularly for benzaldehyde N,N,N-trimethylhydrazonium ion) and the presence of separate two or three waves in reductions of some oximes bearing electron withdrawing groups represent a proof of formation of diprotonated forms of hydrazones and oximes as reaction intermediates. They are formed at the surface of the electrode in an equilibrium preceding the uptake of the first electron. The shape of plots of limiting Currents of some hydrazones and oximes as a function of pH, the slopes of E-1/2-pH plots (particularly for benzaldehyde N,N,N-trimethylhydrazonium ion) and the presence of separate two or three waves in reductions of some oximes bearing electron withdrawing groups represent a proof of formation of diprotonated forms of hydrazones and oximes as reaction intermediates. They are formed at the surface of the electrode in an equilibrium preceding the uptake of the first electron. (en) Průběh pH-závislostí limitních proudů studovaných hydrazonů a oximů, měnící se směrnice závislosti E1/2 na pH a přítomnost dvou až tří redukčních vln u oximů s elektronegativními substituenty představují důkaz tvorby diprotonované formy těchto látek na povrchu elektrody. (cs)
Title	Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions Diprotonované hydrazony a oximy jakožto meziprodukty elektrochemických redukcí (cs) Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions (en)
skos:prefLabel	Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions Diprotonované hydrazony a oximy jakožto meziprodukty elektrochemických redukcí (cs) Diprotonated hydrazones and oximes as reactive intermediates in electrochemical reductions (en)
skos:notation	RIV/61388955:_____/04:00085394!RIV08-AV0-61388955
http://linked.open.../vavai/riv/strany	5113;5115
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/01/1093), P(IAA4040304), Z(AV0Z4040901)
http://linked.open...iv/cisloPeriodika	26
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Ludvík, Jiří
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	560702
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/04:00085394
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrazones; oximes; diprotonation (en)
http://linked.open.../riv/klicoveSlovo	oximes diprotonation hydrazones
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[E05FE255DFCA]
http://linked.open...i/riv/nazevZdroje	Tetrahedron Letters
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	The effect of electron distribution on the oxime reactivity towards esters Electronic properties, strukture and reactivity of the azine group >C=N/N=C< and the mechanism of degradation of biologically significatn azines
http://linked.open...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	45
http://linked.open...iv/tvurceVysledku	Ludvík, Jiří Celik, H. Zuman, P. Baymak, M. S. Lund, H.
http://linked.open...n/vavai/riv/zamer	Objasňování zákonitostí vztahů struktury a vlastností - zejména dynamiky a chemické reaktivity - látek a molekulárních systémů
issn	0040-4039
number of pages	3 (xsd:int)

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