Prakash G K Surya
Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, USA.
J Org Chem. 2006 May 12;71(10):3661-76. doi: 10.1021/jo052657e.
Acid-catalyzed reactions have played a major role in hydrocarbon chemistry involving electron-deficient intermediates such as carbocations, carbodications, onium ions, etc. The pioneering discovery of the use of superacids by George A. Olah, in the early 1960s, to characterize such intermediates under so-called long-lived stable ion conditions led to the understanding of their structures and reactivity patterns much more clearly. Continuing studies in this area in the past 30 years have resulted in a paradigm shift in comprehending the stability and reactivity of electrophilic intermediates in superacid media.
酸催化反应在涉及缺电子中间体(如碳正离子、碳二正离子、鎓离子等)的烃类化学中发挥了重要作用。20世纪60年代初,乔治·A·奥拉开创性地发现使用超强酸在所谓的长寿命稳定离子条件下表征此类中间体,这使得人们对它们的结构和反应模式有了更清晰的认识。在过去30年里,该领域的持续研究导致了在理解超强酸介质中亲电中间体的稳定性和反应性方面的范式转变。