Benzyl (cis-4-fluoropyrrolidin-3-yl)carbamate hydrochloride 、 (5S)-3-bromo-5-[5-methyl-3-(2,4,6-trifluorophenyl)pyridin-2-yl]-4,5-dihydro-1,2-oxazole 在
N,N-二异丙基乙胺 作用下,
以
N-甲基吡咯烷酮 为溶剂,
以138 mg的产率得到benzyl N-[(3R,4S)-4-fluoro-1-[(5S)-5-[5-methyl-3-(2,4,6-trifluorophenyl)pyridin-2-yl]-4,5-dihydro-1,2-oxazol-3-yl]pyrrolidin-3-yl]carbamate