The chiral HMPA analogues were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride.

通过磷酰氯与手性仲胺的亲核取代反应高产率地合成了手性 HMPA 类似物。

Adding other groups at the amine stage may be advisable.

在胺阶段引入其他基团可能是有好处的。

Adding other groups at the amine stage may be advisable.

在胺阶段引入其他组可能是有好处的。

One major source of odor is the organic amine cadaverine.

一个主要的气味来源是有机胺类一尸胺。

A new process for potash production from amine is briefed.

本文简要介绍了用有机胺法生产碳酸钾的新工艺。