(S)-4-Benzyl-3-[2-(3,5-bis-benzyloxy-4-methyl-phenyl)-acetyl]-oxazolidin-2-one 生成 (S)-3-[(R)-2-Azido-2-(3,5-bis-benzyloxy-4-methyl-phenyl)-acetyl]-4-benzyl-oxazolidin-2-one 、 (S)-3-[(S)-2-Azido-2-(3,5-bis-benzyloxy-4-methyl-phenyl)-acetyl]-4-benzyl-oxazolidin-2-one