4-Amino-1-naphthalenesulfonic acid → 4,4'-Bis-[2-chloro-4-(4-sulfonaphth-1-ylamino)triazin-6-ylamino]-stilbene-2,2'-disulfonic acid

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

An aqueous solution of 1-aminonaphthalene-4-sulfonic acid (0.012 mol) was added to the freshly produced solution according to Example 4 of 4,4′-bis-(2,4-dichlorotriazin-6-ylamino)-stilbene-2,2′-disulfonic acid (0.006 mol). The mixture was stirred at pH 5.5 and 20° C. for 24 hours.

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