The oxidation of 8-oxo-7,8-dihydroguanine by iodine |
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| Authors: | Katsuhito Kino Masayuki Morikawa Teruhiko Kobayashi Takanobu Kobayashi Rie Komori Yoshihisa Sei Hiroshi Miyazawa |
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| Institution: | Kagawa School of Pharmaceutical Sciences, Tokushima Bunri University, 1314-1 Shido, Sanuki, Kagawa 769-2193, Japan |
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| Abstract: | 8-Oxo-7,8-dihydroguanine was specifically oxidized by iodine with aqueous KI. Under acidic conditions, the major product was dehydro-guanidinohydantoin. Under basic conditions, two diastereoisomers of spirohydantoin were chiefly obtained. In addition, unstable diimine was detected for the first time. |
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