Recent advances in ring closing metathesis (RCM) reaction, including olefin and enyne metathesis reaction are reviewed.

综述了近几年来关环复分解(RCM)反应的研究新进展,包括了、-的RCM反应。

In this thesis, the carbozincation of acetylenic sulfones and its applications in the stereoselective synthesis of polysubstituted olefins were investigated.

本论文研究了砜的锌化反应及其原位产生的α-磺酰锌试剂在立体选择性合成多取代中的应用。

The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.

二和芳是非常不稳定的组分，可聚合产生凝胶。对于给定和烷芳，氢化可以改善产品质量。