英语语法分析

The phenyl groups in compound 1 were substituted by ICl, Br 2 or I 2 to yield mono- and dihalide derivatives(2—8).

加成物（ 1 ）与卤素反应后，与锡原子相连的苯基被取代，得到一卤代、二卤代和混合二卤代物（ 2— 8） 。

Active saturated dihalide is adopted to further react with long chain tertiary amine to obtain a final product with high yield.

采用活泼二卤代烷与一种长链叔胺经过一步反应得到最终产物，产率较高。

The invention relates to a process for utilizing catalyst such as diphosphonic dihalide cobalt to prepare vinyl monomer polymer.

本发明涉及使用二膦二卤化钴类催化剂及制备乙烯基单体聚合物的方法。