Reactions of 4-acetoxy-2H-1,4-benzoxazin-3-ones with some nucleophiles |
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Authors: | Yuichi Hashimoto Toshiharu Ohta Koichi Shudo Toshihiko Okamoto |
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Institution: | Faculty of Pharmaceutical Sciences, University of Tokyo Hongo, Bunkyo-ku, Tokyo Japan |
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Abstract: | O-Acetates of 4-hydroxy and 4-hydroxy-7-methoxy-2H-1,4-benzoxazin-3-ones reacted with nucleophiles such as phenols, indoles and ethanethiol. The major reaction center is the positively-charged nitrogen atom. In the reaction with 2-methylindole, 6-position of the benzoxazinone ring is another major reaction center. |
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