ChemInform Abstract: Reaction of Aromatic Nitro Compounds. Part 70. Formation of 10-Alkoxy- 9-nitro-9-arylazo-9,10-dihydroanthracenes and Arylhydrazones of 9,10- Anthraquinone by Reaction of Anionic σ-Complexes of 9- Nitroanthracene with Aromatic Diazo Compounds.
Abstract
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ChemInform Abstract
Treatment of the complex (I) as well as its ethoxy analogue with diazo compounds like (II) and (V) leads to 9-arylazo-9,10-dihydroanthracenes which spontaneously or in the presence of base are transformed into the corresponding hydrazones.