sodium methylate 、
(3S,5S,6S)-(-)-3-Ethyl-3-methyl-6-phenyl-5-(p-toluolsulfonyloxymethyl)-3,4,5,6-tetrahydro-2H-1,4-oxazin-2-on 反应 12.0h,
以36%的产率得到(2S,1'R,2'S,1''S)-(+)-2-<2'-(1''-Hydroxy-1''-phenylmethyl)-1'-aziridinyl>-2-methylbuttersaeure-ethylester