Acylaminoanthraquinones cannot be chloromethylated directly. Accordingly, chloromethylated acylaminoanthraquinones are prepared by the reaction of aminoanthraquinone and chloromethylbenzoyl chloride. Reaction of 1-amino and, 1, 4-, 1, 5-, and 1, 8-diaminoanthraquinones with o-, m-, and p-chloromethylbenzoyl chlorides, respectively, yielded 12 kinds of chloromethyl compounds and the dyeing properties of their pyridinium and isothiuronium salts have been inves tigated.
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