、 3-(4-(3(r)-Aminopyrrolidin-1-yl)-3-fluorophenyl)-5(r)-(n-(2,2,2-trichloroethyloxycarbonyl)isoxazol-3-ylaminomethyl)oxazolidin-2-one hydrochloride salt 、
氯甲酸甲酯 以gave the desired product (1.61 g)的产率得到3-(4-(3(R)-methoxycarbonylaminopyrrolidin-1-yl)-3-fluorophenyl)-5(R)-(N-(2,2,2-trichloroethyloxycarbonyl)isoxazol-3-ylaminomethyl)oxazolidin-2-one