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3-(4-Methoxy­styryl)-2H-1,4-benzoxazin-2-one

✍ Scribed by Wu, Yan-Chao ;Song, Hai-Bin ;Liu, Li ;Wang, Dong ;Chen, Yong-Jun


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
244 KB
Volume
61
Category
Article
ISSN
1600-5368

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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