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7.4 g compound A werden in der Losung von 100 ccm Essigather mit der essigatherischen (30 ccm), Losung von 8.5 g Benzoylchlorid unter Ruhren versetzt. Dabei scheidet sich die Benzoylverbindung sofort in schwach -gelben, fast farblosen Nadelchen ans. Nach dem Waschen mit Essigather und mit, Wasser (zur Entfernung  geringer Mengen salzsauren Diaminodisulfids) wird die Verbindung aus vie1 Alkobol oder Essigather urnkrystallisiert , worin sie schwer loslich ist. Schmp. 141

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