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Ring-Opening Reactions of 2-Phenyl-1’H,5H-spiro[oxazole-4,2’-quinoxalin]-3’(4’H)-ones

✍ Scribed by Verček, Bojan; Mušič, Irena

Book ID
118255610
Publisher
Japan Institute of Heterocyclic Chemistry
Year
2012
Tongue
English
Weight
676 KB
Volume
86
Category
Article
ISSN
0385-5414

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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

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