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Reaction path of aqueous sodium hydroxide induced ring opening of 4-bromo-3,4-diphenyl-2-isoxazolin-2-one

✍ Scribed by Beccalli, Egle M.; Marchesini, Alessandro; Sannicolo, Francesco

Book ID
127194806
Publisher
American Chemical Society
Year
1984
Tongue
English
Weight
363 KB
Volume
49
Category
Article
ISSN
0022-3263

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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