benzene alkylation with propylene

例句：

1. 1. Benzene alkylation is a key step in the production of pharmaceuticals.
   苯的烷基化是制药生产的关键步骤。
2. 2.The process involves reacting benzene with other chemicals to produce alkylation products.
   该过程涉及将苯与其他化学品反应以产生烷基化产品。
3. 3.Alkylation reactions are used in various industries to modify organic molecules for specific applications.
   烷基化反应被用于各种工业中，以修改有机分子以适应特定应用。