The detection of 1-(2′-propyl)-3-methylcyclopentene amongst the products of gas-phase thermal isomerisation of 1-(1′-butyl)-3,3-dimethylcyclopropene provides unambiguous evidence for the intermediacy of an alkylidene carbene.
在 1-(1'-丁基)-
3,3-二甲基环丙烯的气相热异构化产物中检测到 1-(2'-丙基)-3-甲基
环戊烯为亚烷基卡宾的中间体提供了明确的证据。