Synthesis of 4(6)-aryloxy- and 4-arylthio-2,1,3-benzoxadiazoles |
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| Authors: | A S Kuznetsova L M Gornostaev G A Stashina S I Firgang |
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| Institution: | 1. V. P. Astaf’ev Krasnoyarsk State Pedagogical University, 89 ul. A. Lebedevoi, 660049, Krasnoyarsk, Russian Federation
2. N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991, Moscow, Russian Federation
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| Abstract: | Reactions of 4,6-dibromo-2,1,3-benzoxadiazole with phenols or arenelthiols lead to 4-aryloxy-6-bromo-2,1,3-benzoxadiazoles or 4-arylthio-6-bromo-2,1,3-benzoxadiazoles, respectively. Isomeric 6-aryloxy-4-bromo-2,1,3-benzoxadiazoles were synthesized by replacement of the fluorine atom in 2,6-dibromo-4-fluoro-1-nitrosobenzene with phenols and treatment of the resulting 4-aryloxy-2,6-dibromo-1-nitrosobenzene with sodium azide. |
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