It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.

介绍溴（氯）代丙基亚及其中间体烯丙基亚合成方法及应用试验结果。

The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研丙烯和甲醇经交换制备二甲催化剂及反应工艺条件。