4-{4-[(tert-Butoxycarbonyl-methyl-amino)-acetoxy]-3,5-dimethyl-benzyl}-1-[(2R,3R)-3-[4-(4-cyano-phenyl)-thiazol-2-yl]-2-(2,5difluoro-phenyl)-2-hydroxy-butyl]-1H-[1,2,4]triazol-4-ium bromide 、 ethyl acetate hydrochloride 在
乙醚 作用下,
以
乙酸乙酯 为溶剂,
反应 4.0h,
以to give 1-{(2R,3R) -3-[4-(4-cyano-phenyl)-thiazol-2-yl]-2-(2,5-difluoro-phenyl)-2-hydroxy-butyl}-4-(3,5-dimethyl-4-methylaminoacetoxy-benzyl)-1H-[1,2,4]triazol-4-ium bromide (24.5 mg, 74% as HCl salt and as white solid)的产率得到1-[(2R,3R)-3-[4-(4-cyanophenyl)thiazol-2-yl]-2-(2,5-difluorophenyl)-2-hydroxybutyl]-4-[3,5-dimethyl-4-[(methylamino)acetoxy]benzyl]-1H-[1,2,4]triazol-4-ium bromide