Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshinori Hayashi0
Seiichiro Matsumoto0
Toyoki Sato0
Yoichi Mikami0
Date of Patent
November 28, 2006
0Patent Application Number
106149220
Date Filed
July 8, 2003
0Patent Primary Examiner
Patent abstract
A glyoxal-guanosine-group compound is prepared either by reacting glyoxal-guanine with any one of ribose-1-phosphate and 2-deoxyribose-1-phosphate in the presence of purine nucleoside phosphorylase, or by reacting glyoxal-guanine with any one selected from the group consisting of uridine, 2′-deoxyuridine and thymidine, together with phosphate ion, in the presence of purine nucleoside phosphorylase and pyrimidine nucleoside phosphorylase. The glyoxal-guanosine-group compound is then decomposed by alkali, whereby a guanosine-group compound consisting of guanosine and 2′-deoxyguanosine is prepared.
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