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Communication | Special issue | Vol 5, No. 1, 1976, pp.285-292
Published online, 1st January, 1970
DOI: 10.3987/S-1976-01-0285
Product Distribution in the Ribosylation Reactions of Adenine and 1-Deazapurine in the Presence of Stannic Chloride

Tokuo Itoh* and Yoshihisa Mizuno

*Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan


Product distribution has been examined in the ribosylation of adenine and 1-deazapurine as well as their trimethylsilyl derivatives in the presence of stannic chloride. It was found that each of the reaction parameters (the presence or absence of trimethylsilyl protection, reaction time, and the amount of stannic chloride) exerts a profound influence on the product distribution. Reaction conditions favorable to the formation of otherwise quite inaccessible 7-ribosyladenines were developed.