(S)-3-[(R)-(5-fluoropyridin-3-yl)hydroxymethyl]pyrrolidine-1-carboxylic acid t-butyl ester 、
N,N-二甲基甲酰胺 、
sodium;hydride 、
5-氯-2-氟-3-甲基吡啶 反应 3.25h,
以to yield (S)-3-[(R)-(5-Chloro-3-methylpyridin-2-yloxy)-(5-fluoropyridin-3-yl)methyl]pyrrolidine-1-carboxylic acid t-butyl ester as an oil, which的产率得到(S)-3-[(R)-(5-Chloro-3-methylpyridin-2-yloxy)-(5-fluoropyridin-3-yl)methyl]pyrrolidine-1-carboxylic acid t-butyl ester