(2S)-ethyl 2-(((((2R,3R,4R,5R)-5-(2-amino-6-ethoxy-9H-purin-9-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(4-chlorophenoxy)phosphoryl)amino)propanoate 在
potassium tert-butylate 作用下,
以
二甲基亚砜 为溶剂,
反应 0.17h,
以55%的产率得到(S)-ethyl 2-(((2R,4aR,6R,7R,7aR)-6-(2-amino-6-ethoxy-9H-purin-9-yl)-7-fluoro-7-methyl-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-2-yl)amino)propanoate