介绍了一种毛细管气相色谱法测定1,3-丁二烯中炔烃杂质含量的新试验方法。
在炔烃类化合物中，尤其是其端基氢不仅存在着弱酸性，而且还具有一定的反应活性。
1·The nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
亲核试剂包括烯烃、炔烃、醇、酸、胺、水等。
2·This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.
本文报道了锆烯络合物对炔烃的烷基化加成，合成多取代烯烃，产率较高。
3·Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
文摘：综述了近几年钌亚乙烯基络合物中间体-碳的亲核反应。亲核试剂包括烯烃、炔烃、 醇、酸、胺、水等。
4·This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.
卤原子作为炔烃三键活化基团和定位基，炔烃三键发生亲电加成反应；
5·Introduction to the Alkyne Triple Bond.
炔烃三键介绍。
1·The computation indicated that the stable silicyl alkene is produced by the addition reaction of silicon alkyne and hydro-gen.
计算表明，硅炔与氢分子加成反应可生成稳定的甲硅烷基硅烯。
2·Acetylene (ethyne) Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.
乙炔：最简单的炔(C2H2)，无色可燃气体，广泛用作金属焰焊接和切割的燃料，也是合成许多有机化学品和塑料的原料。