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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F02%3A00001684%21RIV%2F2003%2FMSM%2F153103%2FN
rdf:type
n3:Vysledek skos:Concept
dcterms:description
A condensation of 1,5-diaryl-3-formazyl-glyoxylic acids with o-phenylenediamine did not afford 1,2-dihydro-3-(1,5-diaryl-3-formazyl)-quinoxaline-2-ones, but 1,5-diaryl-3-(2-benzimidazol-2-yl)-formazanes with simultaneous elimination of formic acid. Formazanes were transformed by reductive splitting to benzimidazole-2-carboxamide arylhydrazones. Oxidative cyclization of mentioned formazans tetrazolium salts were prepared. A condensation of 1,5-diaryl-3-formazyl-glyoxylic acids with o-phenylenediamine did not afford 1,2-dihydro-3-(1,5-diaryl-3-formazyl)-quinoxaline-2-ones, but 1,5-diaryl-3-(2-benzimidazol-2-yl)-formazanes with simultaneous elimination of formic acid. Formazanes were transformed by reductive splitting to benzimidazole-2-carboxamide arylhydrazones. Oxidative cyclization of mentioned formazans tetrazolium salts were prepared.
dcterms:title
An Anomalous Course of The Condensation of 1,5-Diaryl-3-formazyl glyoxylic Acids with o-Phenylenediamine An Anomalous Course of The Condensation of 1,5-Diaryl-3-formazyl glyoxylic Acids with o-Phenylenediamine
skos:prefLabel
An Anomalous Course of The Condensation of 1,5-Diaryl-3-formazyl glyoxylic Acids with o-Phenylenediamine An Anomalous Course of The Condensation of 1,5-Diaryl-3-formazyl glyoxylic Acids with o-Phenylenediamine
skos:notation
RIV/61989592:15310/02:00001684!RIV/2003/MSM/153103/N
n4:strany
225
n4:aktivita
n20:Z
n4:aktivity
Z(MSM 153100013)
n4:dodaniDat
n14:2003
n4:domaciTvurceVysledku
n13:3302016 n13:4316851 n13:6884938
n4:druhVysledku
n12:D
n4:duvernostUdaju
n21:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
637941
n4:idVysledku
RIV/61989592:15310/02:00001684
n4:jazykVysledku
n15:eng
n4:klicovaSlova
1,5-diaryl-3-formazyl-glyoxylic acids
n4:klicoveSlovo
n17:1 n17:5-diaryl-3-formazyl-glyoxylic%20acids
n4:kontrolniKodProRIV
[C3B6D51C608F]
n4:mistoKonaniAkce
Tatranská Lomnica
n4:mistoVydani
Bratislava
n4:nazevZdroje
9th Blue Danube Symposium on Heterocyclic Chemistry
n4:obor
n6:CC
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
3
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:rokUplatneniVysledku
n14:2002
n4:tvurceVysledku
Lemr, Karel Slouka, Jan Wiedermanová, Iveta
n4:typAkce
n16:EUR
n4:zamer
n5:MSM%20153100013
s:numberOfPages
290
n19:hasPublisher
Slovak Academic Press
n18:isbn
80-227-1705-3
n10:organizacniJednotka
15310