论文部分内容阅读
一、成环反应1.不饱和烃加成成环不饱和烃在一定条件下可加成成环,且所得的环往往易与其它物质发生反应.
First, the ring reaction 1. Unsaturated hydrocarbon addition Cyclic unsaturated hydrocarbons under certain conditions can be added into the ring, and the resulting ring is often easy to react with other substances.