Dual reactivity of diazonium salts derived from 1-amino-2-ethynyl-9,10-anthraquinones |
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| Authors: | S F Vasilevsky A A Stepanov D S Fadeev |
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| Institution: | 1. Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 ul. Institutskaya, 630090, Novosibirsk, Russian Federation
2. N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 9 prosp. Akad. Lavrentreva, 630090, Novosibirsk, Russian Federation
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| Abstract: | Diazotization of vicinal 1-amino-2-ethynyl-4-R-9,10-anthraquinones followed by a reaction with NaN3 gave 5-hydroxy-3-R-1H-naphtho2,3-g]indazole-6,11-diones or 3-ethynyl-5-R-6H-anthra1,9-cd]isoxazol-6-ones, depending on the substituents at the triply bonded C atom and in position 4 of the anthraquinone framework. |
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