【摘 要】
：
The oxidative splitting process of cis-syn 1,3-dimethyluracil cyclobutane dimer (DMUD) in aqueous solution was investigated using pulse radiolysis technique.
【机 构】
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Department of Chemistry, University of Science and Technology of China,Department of Chemistry, Univ
【出 处】
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Chinese Journal of Chemistry
论文部分内容阅读
The oxidative splitting process of cis-syn 1,3-dimethyluracil cyclobutane dimer (DMUD) in aqueous solution was investigated using pulse radiolysis technique. The results indicated that DMUD can be splitted into 1,3-dimethyluracil (DMU) by OH radicals (OH ·) and Br_2 radical anions (Br ·-_2), but not by azide radicals (N ·_3). The oxidative mechanisms that an H-abstracted from DMUD for OH · oxidative splitting and an electron transfer from DMUD to Br ·-_2, were suggested. Related kinetic parameters were determined.
The oxidative splitting process of cis-syn 1,3-dimethyluracil cyclobutane dimer (DMUD) in aqueous solution was investigated using pulse radiolysis technique. The results indicated that DMUD can be splitted into 1,3-dimethyluracil (DMU) by OH radicals ·) And Br_2 radical anions (Br · -_2), but not by azide radicals (N · _3). The oxidative mechanisms that an H-abstracted from DMUD for OH · oxidative splitting and an electron transfer from DMUD to Br · -_2 , were suggested. Related kinetic parameters were determined.
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