About: Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls

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About: Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Ring contraction of 3-hydroxy-2,4(1H,3H)-quinolinediones (1) in aqueous potassium hydroxide resulted in the formation of 2-hydroxyindoxyls and/or dioxindoles. The choice of N-substituent and the reaction conditions govern the chemoselectivity of the reaction. N-Phenyl-substituted derivatives 1 give 2-hydroxyindoxyls, while N-alkyl- and N-benzyl-substituted derivatives afford the corresponding dioxindols. On the basis of byproduct analysis, as well as independent experiments, the most plausible reaction mechanism is proposed. Ring contraction of 3-hydroxy-2,4(1H,3H)-quinolinediones (1) in aqueous potassium hydroxide resulted in the formation of 2-hydroxyindoxyls and/or dioxindoles. The choice of N-substituent and the reaction conditions govern the chemoselectivity of the reaction. N-Phenyl-substituted derivatives 1 give 2-hydroxyindoxyls, while N-alkyl- and N-benzyl-substituted derivatives afford the corresponding dioxindols. On the basis of byproduct analysis, as well as independent experiments, the most plausible reaction mechanism is proposed. (en)
Title	Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls (en)
skos:prefLabel	Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls Novel Ring Contraction of 3-Hydroxy-2,4 (1H,3H) -quinolinediones in Aqueous Alkali. The First Convenient Route to 2-Hydroxyindoxyls (en)
skos:notation	RIV/70883521:28110/01:63500209!RIV/2002/MSM/281102/N
http://linked.open.../vavai/riv/strany	6394-6399
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 265200015)
http://linked.open...iv/cisloPeriodika	66
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Kafka, Stanislav Klásek, Antonín
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	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	689195
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/01:63500209
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Pseudomonas putida, heterocyclic rings, oxidation, derivatives, indoles, rearrangement, 3-hydroxy-1,2,3,4-tetrahydroquinoline-2,4-diones, 1,2-dihydro-3H-indol-3-ones, hydrolysis, inhibitors (en)
http://linked.open.../riv/klicoveSlovo	indoles inhibitors rearrangement Pseudomonas putida 1 2 derivatives oxidation 3 hydrolysis 2-dihydro-3H-indol-3-ones heterocyclic rings 4-diones 3-hydroxy-1 4-tetrahydroquinoline-2
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[18B1A43C1AE7]
http://linked.open...i/riv/nazevZdroje	Journal of Organic Chemistry
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2001
http://linked.open...v/svazekPeriodika	Neuveden
http://linked.open...iv/tvurceVysledku	Kafka, Stanislav Klásek, Antonín Košmrlj, J.
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20265200015
issn	0022-3263
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	28110

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