有机化学 ›› 2000, Vol. 20 ›› Issue (4): 510-513. 上一篇    下一篇

研究论文

新法合成6-烷氧基和6-氨基鸟嘌呤核苷衍生物

林紫云;朱莉亚;梁晓天   

  1. 中国医学科学院中国协和医科大学药物研究所
  • 发布日期:2000-08-25

A novel method for synthesizing 6-alkoxy and 6-amino guanosine

Lin Ziyun;Zhu Liya;Liang Xiaotian   

  • Published:2000-08-25

以鸟嘌呤为核苷为原料,经酯化、再在缩合剂4-氯苯磷酰二氯和1,2,4-三氮唑存在下与吡啶反应,得鸟嘌呤核苷N-6吡啶盐中间体(2),该中间体2分别与NH~3/CH~3OH、Et~3N/CH~3OH、Et~EN/CH~3CH~2OH在室温反应,可方便的合成6-NH~2、6-OCH~3和6-OCH~2CH~3-9-(β-D-呋喃核糖)鸟嘌呤衍生物。

关键词: 鸟嘌呤核苷, 烷氧基, 吡啶, 呋喃P, 鸟嘌呤

A new method for preparing 6-alkoxy and 6-amino guanosine derivatives by reaction of N-acetyl-2',3',5'-tri-0-acetyl-guanosine, 4-ClPhOPOCl~2 and 1,2,4-Triazole in dry pyridine at room temperature via N-6-pyridinium intermediate(2) is presented. The chemistry and characterization of these compounds are also reported.

Key words: GUANOSINE, ALKOXYL GROUP, PYRIDINE, FURAN P, GUANINE

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