alkyl alkane phosphonate

例句：

1. 1. Alkyl halides are widely used in organic synthesis.
   烷基卤化物在有机合成中广泛使用。
2. 2. The alkylation process involves the introduction of an alkyl group into a hydrocarbon molecule.
   烷基化过程涉及将烷基引入烃分子中。
3. 3. Alkyl halides can be synthesized from simple alkanes through a reaction with a strong acid.
   烷基卤化物可以通过与强酸反应从简单的烷烃中合成。