Process for the preparation of 1-aminoanthraquinones

A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst.

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Bibliographische Detailangaben
Hauptverfasser: CHUNG, RACK H
Format: Patent
Sprache:eng
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Zusammenfassung:A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst.