Abstract

AbstractThe synthesis of a series of N‐mono‐and bis‐alkylated derivatives of 4,5‐diamino‐1,‐8‐dihydroxyanthraquinone is described. These compounds dye synthetic polymer fibres in blue to greenish‐blue shades of good fastness properties; bis‐alkylation results in decreased substantivity, but excellent dyes result from the use of mixtures of mono‐and bis‐alkylated derivatives.

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