(S)-4-((R)-1,1-difluoropropan-2-yl)-3-(2-fluoropyrimidin-4-yl)oxazolidin-2-one 、
(S)-1-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)ethanamine (R)-1-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)ethanamine 、
N,N-二异丙基乙胺 在
氩 、
三氟乙酸 作用下,
以
二甲基亚砜 、
水 为溶剂,
反应 0.25h,
以lyophilized providing (S)-3-(2-(((S)-1-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)ethyl)amino)pyrimidin-4-yl)-4-((R)-1,1-difluoropropan-2-yl)oxazolidin-2-one (31.8 mg; first eluted product) and (S)-3-(2-(((R)-1-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)ethyl)amino)pyrimidin-4-yl)-4-((R)-1,1-difluoropropan-2-yl)oxazolidin-2-one (11.5 mg; second eluted product) as their trifluoroacetic acid salts的产率得到(S)-3-(2-(((S)-1-(3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl)ethyl)amino)pyrimidin-4-yl)-4-((R)-1,1-difluoropropan-2-yl)oxazolidin-2-one