olefins

1.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)反应研究新进展,包括了烃、-炔RCM反应。

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

本论文研究了炔基砜碳锌化反应及其原位产生α-磺酰基基锌试剂在立体选择性合成多取代烃中应用。

3.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.

二烃和基芳烃是非常不稳组分，可聚合产生凝胶。对于烃和烷基芳烃，氢化可以改善产品质量。