Formation of Cyanide Ion or Cyanogen Chloride through the Cleavage of Aromatic Rings by Nitrous Acid or Chlorine. VII. On the Reaction of Aromatic Amino Acids with Hypochlorous Acid in the Presence of Ammonium Ion

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Cyanogen chloride was formed by the reactions of aromatic amino acids such as phenylalanine, tyrosine, tryptophan and histidine with hypochlorous acid in the presence of ammonium ion. It was found that the formation of cyanogen chloride was due to cleavage of the aromatic rings of the aromatic amino acids by chloramine.