If the alkyl groups of a tertiary amine are all different the amine will be chiral there will be two enantiomeric forms of the tertiary amine In practice, however, resolution is usually impossible because the enantiomers interconvert rapidly. R 6 kcal mol R N IIR N R R Intercomversion of amine enantiomers 叔胺对映体相互转换,难以拆分If the alkyl groups of a tertiary amine are all different the amine will be chiral. There will be two enantiomeric forms of the tertiary amine. In practice, however, resolution is usually impossible because the enantiomers interconvert rapidly. N R' R'' R''' N R'' R' R''' Intercomversion of amine enantiomers 叔 胺 对 映 体 相 互 转 换 ， 难 以 拆 分 。 6 kcal mol -1