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Functionally substituted allenephosphonates and their transformation products 3. Reaction of phosphorus-containing 1-methoxy-2,3-alkadienes with 2-aminopyridines

✍ Scribed by V. K. Brel'; E. V. Abramkin


Book ID
112450228
Publisher
Springer
Year
1991
Tongue
English
Weight
352 KB
Volume
40
Category
Article
ISSN
1573-9171

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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