N-((E)-But-2-enyl)-2-hydroxy-N-((R)-1-phenyl-ethyl)-acetamide 在
lithium hexamethyldisilazane 作用下,
生成 (2R,3S)-2-Hydroxy-3-methyl-pent-4-enoic acid ((R)-1-phenyl-ethyl)-amide 、
(2S,3R)-2-Hydroxy-3-methyl-pent-4-enoic acid ((R)-1-phenyl-ethyl)-amide 、 (2S,3S)-2-Hydroxy-3-methyl-pent-4-enoic acid ((R)-1-phenyl-ethyl)-amide