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Condensation of 2-aminophenols and α-dicarbonyl compounds. Part 3. Benzoxazines substituted with heterocycles |
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| Authors: | E Belgodere R Bossio V Parrini R Pepino |
| Abstract: | A series of 1,4-benzoxazines (I) and 2,2′-dibenzoxazolines (II) were obtained by condensation of 2-aminophenol and 2-amino-5-nitrophenol with glyoxal derivatives of the heterocyclic series. The structure of compounds (I) was investigated by uv, pmr and mass spectroscopy. |
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