3-[6-(dimethylamino)-9H-purin-9-yl]-2-hydroxypropanoic acid 、
碘甲烷 在
lithium hydroxide 作用下,
以
甲醇 、
N,N-二甲基甲酰胺 为溶剂,
生成 methyl (S)-3-[6-(dimethylamino)-9H-purin-9-yl]-2-hydroxypropanoate 、 methyl (R)-3-[6-(dimethylamino)-9H-purin-9-yl]-2-hydroxypropanoate 、 methyl (S)-3-[6-(dimethylamino)-9H-purin-9-yl]-2-methoxypropanoate 、 methyl (R)-3-[6-(dimethylamino)-9H-purin-9-yl]-2-methoxypropanoate