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Synthesis of 2"-bromo-8-methylspiro(4H-3,1-benzooxazine-4,1"-cyclopentan)-2(1H)-one and 2-amino-2"-bromo-8-methylspiro(4H-3,1-benzooxazine-4,1"-cyclopentane) from 6-(cyclopent-1-enyl)-2-methylaniline

✍ Scribed by R. R. Gataullin; I. S. Afon"kin; A. A. Fatykhov; L. V. Spirikhin; I. B. Abdrakhmanov

Book ID
110332982
Publisher
Springer
Year
2001
Tongue
English
Weight
237 KB
Volume
50
Category
Article
ISSN
1573-9171

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## Abstract For Abstract see ChemInform Abstract in Full Text.

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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