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Hydrolysis of 2-aryl-4h-3, 1-benzoxazin-4-ones

✍ Scribed by B. M. Bolotin; R. V. Poponova; L. S. Zeryukina; M. V. Loseva

Book ID: 112325147
Publisher: Springer US
Year: 1976
Tongue: English
Weight: 274 KB
Volume: 12
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00470107

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## Abstract Substituted 2‐(benzylamino)‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones are unstable under alkaline and acidic conditions, undergoing opening of the benzoxazinone ring. 2‐Bromo‐2__H__‐1,4‐benzoxazin‐3(4__H__)‐ones show similar degradation under alkaline conditions, while replacement of Br at C