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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F02%3A63500553%21RIV%2F2003%2FMSM%2F281103%2FN
rdf:type
n3:Vysledek skos:Concept
dcterms:description
The preparation of title compounds is decribed by reaction of corresponding 4-hydroxy-2-quinolones with thiocyanogen. The prepared thiocyanato derivatives are very reactive and smoothly hydrolyse to starting 4-hydroxy-2-quinolones. Their reactions with nucleophiles proceed always at sulfur atom and, therefore, they act as thiocyanation agents. By the reaction with aliphatic amines, S-cyanothiohydroxylamines arise, aromatic amines are thiocyanated in nucleus, Wittig reagents are thiocyanated in alfa-position and compounds bearing -SH group are oxidized to disulfides. The preparation of title compounds is decribed by reaction of corresponding 4-hydroxy-2-quinolones with thiocyanogen. The prepared thiocyanato derivatives are very reactive and smoothly hydrolyse to starting 4-hydroxy-2-quinolones. Their reactions with nucleophiles proceed always at sulfur atom and, therefore, they act as thiocyanation agents. By the reaction with aliphatic amines, S-cyanothiohydroxylamines arise, aromatic amines are thiocyanated in nucleus, Wittig reagents are thiocyanated in alfa-position and compounds bearing -SH group are oxidized to disulfides.
dcterms:title
Synthesis of 3-Alkyl/Aryl-3-Triocyanatoquinoline-2,4(1H,3H)-Diones and their Reactions with Nucleophiles Synthesis of 3-Alkyl/Aryl-3-Triocyanatoquinoline-2,4(1H,3H)-Diones and their Reactions with Nucleophiles
skos:prefLabel
Synthesis of 3-Alkyl/Aryl-3-Triocyanatoquinoline-2,4(1H,3H)-Diones and their Reactions with Nucleophiles Synthesis of 3-Alkyl/Aryl-3-Triocyanatoquinoline-2,4(1H,3H)-Diones and their Reactions with Nucleophiles
skos:notation
RIV/70883521:28110/02:63500553!RIV/2003/MSM/281103/N
n4:strany
A:37
n4:aktivita
n18:Z
n4:aktivity
Z(MSM 265200015)
n4:dodaniDat
n8:2003
n4:domaciTvurceVysledku
n10:8577552 n10:8671532 n10:1748734
n4:druhVysledku
n9:D
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
666206
n4:idVysledku
RIV/70883521:28110/02:63500553
n4:jazykVysledku
n12:eng
n4:klicovaSlova
quinolinediones, quinolones, thiocyanation, amines, disulfides, thiocyanates
n4:klicoveSlovo
n5:thiocyanates n5:quinolones n5:disulfides n5:thiocyanation n5:quinolinediones n5:amines
n4:kontrolniKodProRIV
[F29F923471CE]
n4:mistoKonaniAkce
Stockholm
n4:mistoVydani
Stockholm
n4:nazevZdroje
XXth European Colloquium on Heterocyclic Chemistry - book of abstracts
n4:obor
n15:CC
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
4
n4:pocetUcastnikuAkce
0
n4:pocetZahranicnichUcastnikuAkce
0
n4:rokUplatneniVysledku
n8:2002
n4:tvurceVysledku
Klásek, Antonín Polis, Jiří Košmrlj, J. Mrkvička, Vladimír
n4:typAkce
n19:EUR
n4:zahajeniAkce
2002-08-18+02:00
n4:zamer
n20:MSM%20265200015
s:numberOfPages
1
n17:hasPublisher
Sodertorn University College
n14:organizacniJednotka
28110