Synthesis p. 517 - 520 (1988)
Update date:2022-08-05
Topics:
Mitschker, Alfred
Wedemeyer, Karlfried
Under certain nitration conditions, o-amino aromatic nitriles can be ring closed to the 1,2,3-benzotriazin-4(3H)-one N2-oxides via intermediate nitramines. o-Amino heteroaromatic nitriles give the corresponding heteroannulated 1,2,3-triazin-4(3H)-one N2-oxides.The scope of this new ring-closure reaction is discussed.
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