[(R)-2-(3-cyanoazetidin-1-yl)-1-methyl-2-oxo-ethyl]-carbamic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 2.0h,
以to afford 1-((R)-2-amino-propionyl)-azetidine-3-carbonitrile trifluoroacetate as a pale yellow oil which的产率得到(R)-2-(3-cyano-azetidin-1-yl)-1-methyl-2-oxo-ethyl-ammonium trifluoroacetate