Anhydrobiisatic acid 6:12-Oxa-5:6:11:12-tetrahydrophenhomazine-6:12-dicarboxylic acid |
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| Institution: | Institute of Chemistry, Faculty of Sciences, University of Belgrade, Studentski trg 1, Belgrade Yugoslavia |
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| Abstract: | Anhydrobiisatic acid (IVa), a new type of compound containing the phenhomazine ring system, has been obtained by self-condensation of isatic acid—(o-aminophenyl)glyoxylic acid—. The structure of this acid has been established and derivatives have been prepared. N:N′-Dimethylanhydrobiisatic acid (IVc) has been resolved into optically active components. |
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