A novel synthesis of anthraquinone[1,2- b]pyrroles and their conversion to 1-amino-2-benzoylanthraquinone derivatives

Reaction of 1-aminoanthraquinone derivatives with benzyl cyanide under alkaline conditions has been shown to lead to the formation of 2-amino-3-phenylanthraquinone [1,2- b]pyrrole derivatives in moderate to good yields. Oxidation of these fused anthraquinone derivatives has been utilised to evolve a...

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Bibliographic Details
Published in:Dyes and pigments 1984, Vol.5 (4), p.277-284
Main Authors: Shekar, P.C., Seshadri, S.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical industry and chemicals
Dyes, pigments
Exact sciences and technology
Industrial chemicals
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Summary:Reaction of 1-aminoanthraquinone derivatives with benzyl cyanide under alkaline conditions has been shown to lead to the formation of 2-amino-3-phenylanthraquinone [1,2- b]pyrrole derivatives in moderate to good yields. Oxidation of these fused anthraquinone derivatives has been utilised to evolve a new synthetic approach to 1-amino-2-benzoylanthraquinones which are useful disperse dye structures.
ISSN:0143-7208
1873-3743
DOI:10.1016/0143-7208(84)80021-2