(1S)-1-(4-bromophenyl)-2,2,2-trifluoroethyl trifluoromethanesulfonate 、
(S)-ethyl 2-amino-4-fluoro-4-methylpentanoate hydrochloride 在
(S)-ethyl 2-amino-4-fluoro-4-methylpentanoate hydrochloride 作用下,
以95的产率得到L-Leucine, N-[(1S)-1-(4-bromophenyl)-2,2,2-trifluoroethyl]-4-fluoro-, ethyl ester