Molecular rearrangement of 1-substituted
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AntonΓn KlΓ‘sek; Michal KovΓ‘Ε; IgnΓ‘c Hoza; AntonΓn LyΔka; Michal HolΔapek
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Article
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2006
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Journal of Heterocyclic Chemistry
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English
β 523 KB
Substituted 3-alkyl/aryl-3-amino-1H,3H-quinoline-2,4-diones (6) react with nitrourea to give 3-ureido-1H,3H-quinoline-2,4-diones (10), 9b-hydroxy-3,3a,5,9b-tetrahydro-1H-imidazo[4,5-c]quinoline-2,4-diones (11), and 3,3a-dihydro-5H-imidazo[4,5-c]quinoline-2,4-diones (12). Compounds 11 were dehydrated