(2R,3S)-4-benzyl-2-(hydroxy-p-tolylmethyl)morpholin-3-one 、 (2S)-2-[(R)-(4-methylphenyl)(hydroxy)methyl]-4-benzylmorpholin-3-one 生成 (2R)-2-[(R)-(4-methylphenyl)(hydroxy)methyl]-4-benzylmorpholine 、 (2S)-2-[(S)-(4-methylphenyl)(hydroxy)methyl]-4-benzylmorpholine