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2,3-dihydro-2-phenyl-1,4-benzoxazepin-5(4H)-one from the reaction of the flavanone with hydrazoic acid. A reappraisal

✍ Scribed by D. Misiti; V. Rimatori


Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
205 KB
Volume
11
Category
Article
ISSN
0040-4039

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Reaction of 4-arylidene-2-phenyl-5(4H)-1,3-oxazolones with benzyne afforded predominantly, 3-arylidene-7-hydroxy-7phenyl-1,4(H)-benzoxazepine-2-ones in addition to their N-phenyl derivatives. However, the reaction of the target oxazolones with an excess of benzyne gave only the N-phenyl derivatives