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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F04%3A00002123%21RIV%2F2005%2FGA0%2F153105%2FN
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Článek se věnuje štěpení heterocyklických sloučenin v organické syntéza. Diskutuje použití 5-nitroisatinu pro syntézu různých dusíkatých heterocyklů. The reactions of 5-nitroisatine were studied with nucleophiles like heterocyclic amines and alkaline hydroxide . With the use of alkaline hydroxide it was converted into 2-amino-5-nitrophenylglyoxylic acid , with piperidine, morpholine and carbethoxypiperazine to its amides or by oxidation to 5-nitroanthranilic acid . This acid was used for synthesis of 3-hydroxy-6-nitro-2-phenyl-1H-quinolin-4-one . Semicarbazone of 5-nitroisatine was converted to 5-(2-amino-5-nitrophenyl)-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione . Cyclocondensation of this compound to afford 8-nitro-2,3-dihydro-5H-[1,2,4]triazino[5,6-b]indol-3-one was unsuccessful. The reactions of 5-nitroisatine were studied with nucleophiles like heterocyclic amines and alkaline hydroxide . With the use of alkaline hydroxide it was converted into 2-amino-5-nitrophenylglyoxylic acid , with piperidine, morpholine and carbethoxypiperazine to its amides or by oxidation to 5-nitroanthranilic acid . This acid was used for synthesis of 3-hydroxy-6-nitro-2-phenyl-1H-quinolin-4-one . Semicarbazone of 5-nitroisatine was converted to 5-(2-amino-5-nitrophenyl)-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione . Cyclocondensation of this compound to afford 8-nitro-2,3-dihydro-5H-[1,2,4]triazino[5,6-b]indol-3-one was unsuccessful.
dcterms:title
The cleavage of heterocyclic compounds in organic synthesis II. Use of 5-nitroisatine for synthesis of various nitrogenous heterocycles The cleavage of heterocyclic compounds in organic synthesis II. Use of 5-nitroisatine for synthesis of various nitrogenous heterocycles Štěpení heterocyklických sloučenin v organické syntéze II. Použití 5-nitroisatinu pro syntézu různých dusíkatých heterocyklů
skos:prefLabel
Štěpení heterocyklických sloučenin v organické syntéze II. Použití 5-nitroisatinu pro syntézu různých dusíkatých heterocyklů The cleavage of heterocyclic compounds in organic synthesis II. Use of 5-nitroisatine for synthesis of various nitrogenous heterocycles The cleavage of heterocyclic compounds in organic synthesis II. Use of 5-nitroisatine for synthesis of various nitrogenous heterocycles
skos:notation
RIV/61989592:15310/04:00002123!RIV/2005/GA0/153105/N
n3:strany
633-636
n3:aktivita
n4:P n4:Z
n3:aktivity
P(GA203/01/1360), Z(MSM 153100008)
n3:cisloPeriodika
-
n3:dodaniDat
n10:2005
n3:domaciTvurceVysledku
n6:6884938 n6:3302016 n6:8225583 n6:5110386
n3:druhVysledku
n19:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
557873
n3:idVysledku
RIV/61989592:15310/04:00002123
n3:jazykVysledku
n17:eng
n3:klicovaSlova
derivatives of isatine;1;2;4-triazine;quinoxaline
n3:klicoveSlovo
n7:quinoxaline n7:4-triazine n7:2 n7:1 n7:derivatives%20of%20isatine
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[4253946E50DF]
n3:nazevZdroje
Journal of Heterocyclic Chemistry
n3:obor
n12:CC
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n15:GA203%2F01%2F1360
n3:rokUplatneniVysledku
n10:2004
n3:svazekPeriodika
41
n3:tvurceVysledku
Slouka, Jan Hlaváč, Jan Soural, M. Fryšová - Wiedermanová, Iveta Hradil, Pavel
n3:zamer
n14:MSM%20153100008
s:issn
0022-152X
s:numberOfPages
4
n5:organizacniJednotka
15310