benzyl 4-(2-amino-6-hydroxypyrimidin-4-yl)piperidin-1-carboxylate 、
(R)-3-(N-BOC-N-甲氨基)吡咯烷 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
乙腈 为溶剂,
以79%的产率得到benzyl 4-(2-amino-6-((3R)-3-(tert-butoxycarbonyl(methyl)amino)pyrrolidin-1-yl)pyrimidin-4-yl)piperidin-1-carboxylate