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Molecular Rearrangements. V. 4-Hydroxy-1-methylisonipecotonitrile as an Intermediate in the Synthesis of Substituted Piperidines 1

✍ Scribed by Lyle, Robert E.; Lyle, Gloria G.


Book ID
120986372
Publisher
American Chemical Society
Year
1954
Tongue
English
Weight
524 KB
Volume
76
Category
Article
ISSN
0002-7863

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Molecular rearrangement of 1-substituted
✍ AntonΓ­n KlΓ‘sek; Michal KovΓ‘Ε™; IgnΓ‘c Hoza; AntonΓ­n Lyčka; Michal Holčapek πŸ“‚ Article πŸ“… 2006 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 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