(2S,3R)-threo-2-(4-fluoro-2-trifluoromethyl-benzoylamino)-3-hydroxy-3-thiophen-3-yl-propionic acid ethyl ester 、 (2S,3S)-erythro-2-(4-fluoro-2-trifluoromethyl-benzoylamino)-3-hydroxy-3-thiophen-3-yl-propionic acid ethyl ester 、
甲胺 以
甲醇 为溶剂,
反应 3.0h,
生成
(2S,3R)-threo-4-fluoro-N-(2-hydroxy-1-methylcarbamoyl-2-thiophen-3-yl-ethyl)-2-trifluoromethyl-benzamide 、 (2S,3S)-erythro-4-fluoro-N-(2-hydroxy-1-methylcarbamoyl-2-thiophen-3-yl-ethyl)-2-trifluoromethyl-benzamide