Acetonitrile → 1,4-Bis(4-vinylbenzylamino) anthraquinone

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Reaction was performed by using the following reactants, catalyst and solvent: 1-amino-4-anilinoanthraquinone (precursor, 2.5 g, 7.96 mmol), 4-vinylbenzyl chloride (1.25 g, 8.22 mmol), 2,6-lutidine (a catalyst, 0.88 g, 8.22 mmol) and acetonitrile (solvent, 25 ml) in a reaction apparatus similar to that of Example 1. After completion of the reaction, the product was purified in the same manner as in Example 1 to afford the desired reactive dye, BD-4 (Yield: 67%). ##STR9##

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