Hydrochloric Acid → Anthraquinone

Beteiligte Stoffe

Reaktionsschritte

1-Amino-4-bromoanthraquinone-2-sulfonic acid and 4-(β-acetylaminoethylamino)aniline-3-sulfonic acid were subjected to Ullmann condensation in the presence of cuprous chloride as a catalyst, followed by hydrolysis of the acetyl group under an acid condition of hydrochloric acid, thereby obtaining an anthraquinone intermediate compound of the following formula (2) in the free acid form. ##STR244##

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