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E-2-Aroylmethylene-3,4-dihydro-2H-1,3-benzoxazin-4-ones - a New Class of Heterocyclic Enamino Ketones

✍ Scribed by A. A. Novikov; E. S. Vostrov; A. N. Maslivets


Book ID
111577686
Publisher
Springer US
Year
2003
Tongue
English
Weight
100 KB
Volume
39
Category
Article
ISSN
0009-3122

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Substituted 3-hydroxyquinoline-2,4(1H,3H )-diones 3 were transformed into 3-acyloxy-1,3-dihydro-2H-indol-2-ones 4 and isomeric 4-acyl-1,4-dihydro-3,1-benzoxazin-2-ones 5. The influence of the substituents and the reaction conditions on the course of the reaction was studied. In the proposed mechanis