(S)-4-ethylaminomethyl-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester 、
2-三氟甲基-4-氯嘧啶 在
N,N-二异丙基乙胺 作用下,
以
异丙醇 为溶剂,
反应 0.5h,
以90%的产率得到(S)-4-{[ethyl-(2-trifluoromethyl-pyrimidin-4-yl)-amino]-methyl}-2,2-dimethyl-oxazolidine-3-carboxylic acid tert-butyl ester