Mass spectrometry of 2,5-diphenylhexa-1,5-dienes provides evidence for the cation-radical Cope rearrangement in the gas phase, in which the reaction directionality is different from that in a thermal process.
2,5
-二苯基-1,5-己二烯的质谱分析为气相中的阳离子自由基Cope重排提供了证据,该反应的方向性与热过程中的方向性不同。