Reacttvlty of Cl2- Radical Toward Aliphatic Amino Acids
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Rate constants for the reactions of Cl^-_2 with several aliphatic amino acids were determined in neutral aqueous solutions of potassium chloride (0. 1M) using a conventional flash photolysis apparatus. The reactivity pattern of Cl^-_2 radical toward aliphatic amino acids was found to be similar to that of OH radical, although the reaction rate of the former is about two orders of magnitude smaller than the latter. The result suggests that the reaction of Cl^-_2 with aliphatic compounds is hydrogen atom abstraction. It was found that the reactivity for the branched amino acids is relatively low and the difference in reactivity toward the branched amino acids between Cl^-_2 and OH radicals was discussed in terms of steric effect.
- 日本放射線影響学会の論文
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