New chemical modification of the ribosyl moiety in uridines, synthesis of novel types of 3′,5′-epithio uridine derivatives
作者:Kosaku Hirota、Yukio Kitade、Tetsuo Tomishi、Yoshifumi Maki
DOI:10.1039/c39870001801
日期:——
Treatment of 5-substituted 5′-S-acetyl-2,2′-anhydro-5′-thio-1-β-D-arabinofuranosyluracils (2), prepared with ease from 5-substituted 2′,5′-dichloro-2′,5′-dideoxyuridines (1), with methanolic sodium methoxide gave the corresponding 3′,5′-epithio-3′,5′-dideoxy-1-β-D-xylofuranosyluracils (3) fused with a thietane ring in the sugar moiety.
5-取代的5'- S-乙酰基-2,2'-脱水5'-硫代-1-β- D-阿拉伯呋喃糖基尿嘧啶酯(2)的处理,由5取代的2',5'-二氯- 2',5'-二脱氧尿嘧啶核苷(1)与甲醇甲醇钠制得相应的3',5'-乙硫基-3',5'-二脱氧-1-β- D-二呋喃呋喃糖基尿嘧啶(3)与硫杂环丁烷环稠合在糖部分。