9-(2,3-anhydro-5-deoxy-β-D-ribofuranosyl)-2-(cyclopentyloxy)-N-(2,2-dimethylpropanoyl)-9H-purin-6-amine 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.33h,
生成 2-(cyclopentyloxy)-9-(5-deoxy-2-S-ethyl-2-thio-β-D-arabinofuranosyl)-9H-purin-6-amine 、 2-(cyclopentyloxy)-9-(5-deoxy-3-S-ethyl-3-thio-β-D-xylofuranosyl)-9H-purin-6-arnine