A New Facile Synthesis of 4-Arylamino-5, 7-Dinitrobenzofurazans |
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| Authors: | H.-J. Niclas B. Göhrmann E. Gründemann |
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| Affiliation: | 1. Central Institute of Organic Chemistry of the Academy of Sciences of the GDR , Rudower Chaussee 5, Berlin , DDR-1199 , German Democratic Republic;2. VEB Chemiekombinat Bitterfeld, Division of Research , Bitterfeld , DDR-4400 , German Democratic Republic |
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| Abstract: | The reaction of 4,6-dinitrobenzofuroxan 1 with alkali metal salts of formanilides 2 affords 6′-nitrogen bonded Meisenheimer complexes 3 which upon heating in water form 4-arylamino-5, 7-dinitrobenzofurazans 5 in good lides in the presence of sodium hydroxide is also described. |
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