Abstract
Conditions are described for the bromination and nitration of (2H)-1,4-benzoxazin-3(4H)-3-one, its 6-chloro and 6-methyl analogues and (2H)-1,4,-benzothiazin-3(4H)-one at C–6 and C–7 and for the dibromination (6, 7–) and dinitration (6, 8–) of (2H)-1,4-benzoxazin-3(4H)-3-one.
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References
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