The present invention relates to a novel enantioselective method of preparing (S)- and (R)-enantiomers of N-3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]-6-5 methoxyphenyl}-1-[2,3-dihydroxy-propyl]cyclopropanesulfonamide, to novel intermediate compounds, and to the use of said novel intermediate compounds for the preparation of said (S)- and (R)-enantiomers of N-3,4-difluoro-2-[(2- fluoro-4-iodophenyl)amino]-6-methoxyphenyl}-1-[2,3-dihydroxy- propyl]cyclopropanesulfonamide.
该发明涉及一种新的对(S)-和(R)-对映体进行选择性的制备方法,该方法是制备N-3,4-二
氟-2-[(2-
氟-4-
碘苯基)
氨基]-6-5-
甲氧基苯基}-1-[2,3-二羟基-丙基]
环丙烷磺酰胺的(S)-和(R)-对映体,以及新的中间化合物,以及利用这些新的中间化合物制备N-3,4-二
氟-2-[(2-
氟-4-
碘苯基)
氨基]-6-
甲氧基苯基}-1-[2,3-二羟基-丙基]
环丙烷磺酰胺的(S)-和(R)-对映体。