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Report | Regular issue | Vol 19, No. 4, 1982, pp.687-690
Published online, 1st January, 1970
DOI: 10.3987/R-1982-04-0687
Synthesis of 3-Methylxanthosine

Taisuke Itaya and Tsunehiro Harada

*Faculty of Pharmaceutical Scicences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan


Treatment of 1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5-(methylamino)imidazole-4-carboxamide (VIb) with EtOCOCl followed by cyclization with 1 N NaOH gave 3-methylxanthosine (Va). The glycosidic bond of Va underwent acid hydrolysis at a rate more than 1000 times greater than that of xanthosine.