1-tert-butyl 2-methyl (2R,4S)-4-{[9-ethyl-8-(2-methylpyrimidin-5-yl)-9H-purin-6-yl]amino}pyrrolidine-1,2-dicarboxylate 在
N,N-二异丙基乙胺 、 cesium fluoride 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
反应 64.0h,
生成 methyl (4S)-4-{[9-ethyl-8-(2-methylpyrimidin-5-yl)-9H-purin-6-yl]amino}-1-pyridin-2-yl-D-prolinate trifluoroacetate