tert-butyl 4-(6-((4-hydroxypiperidin-4-yl)methyl)-2-methyl-7-oxo-6,7-dihydro-2H-pyrazolo[4,3-d]pyrimidin-3-yl)benzylcarbamate 、
2-Fluoro-4-pyrrolidin-1-ylbenzaldehyde 在
三乙酰氧基硼氢化钠 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以74%的产率得到tert-butyl N-[[4-[6-[[1-[(2-fluoro-4-pyrrolidin-1-ylphenyl)methyl]-4-hydroxypiperidin-4-yl]methyl]-2-methyl-7-oxopyrazolo[4,3-d]pyrimidin-3-yl]phenyl]methyl]carbamate