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Molecular Rearrangement of 1-Substituted 3-Aminoquinoline-2,4-diones in Their Reaction with Urea and Nitrourea Synthesis and Transformations of Reaction Intermediates.

✍ Scribed by Antonin Klasek; Antonin Lycka; Michal Holcapek; Michal Kovar; Ignac Hoza

Publisher
John Wiley and Sons
Year
2007
Weight
36 KB
Volume
38
Category
Article
ISSN
0931-7597

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📜 SIMILAR VOLUMES

Molecular rearrangement of 1-substituted
Molecular rearrangement of 1-substituted 3-aminoquinoline-2,4-diones in their reaction with urea and nitrourea synthesis and transformations of reaction intermediates
✍ Antonín Klásek; Michal Kovář; Ignác Hoza; Antonín Lyčka; Michal Holčapek 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 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

Reaction of 3-aminoquinoline-2,4-diones
Reaction of 3-aminoquinoline-2,4-diones with isocyanates. Synthesis of novel 3-(3′-alkyl/arylureido)quinoline-2,4-diones and their cyclic carbinolamide isomers
✍ Antonín Klásek; Ignác Hoza; Antonín Lyčka; Michal Holčapek 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 138 KB

## Abstract magnified image 3‐Alkyl/aryl‐3‐amino‐1__H__,3__H__‐quinoline‐2,4‐diones react with alkyl/aryl isocyanates to give novel 3‐alkyl/aryl‐3‐ureido‐1__H__,3__H__‐quinoline‐2,4‐diones or 3a‐alkyl/aryl‐9b‐hydroxy‐3,3a,5,9b‐tetrahydro‐1__H__‐imidazo[4,5‐__c__]quinoline‐2,4‐diones. In some cases