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Cyclopropenium Ions in Catalysis
Accounts of Chemical Research ( IF 16.4 ) Pub Date : 2022-09-28 , DOI: 10.1021/acs.accounts.2c00546
Rebecca M Wilson 1 , Tristan H Lambert 1
Affiliation  

Cyclopropenium ions are the smallest class of aromatic compounds, satisfying Hückel’s rules of aromaticity with two π electrons within a three-membered ring. First prepared by Breslow in 1957, cyclopropenium ions have been found to possess extraordinary stability despite being both cationic and highly strained. In the 65 years since their first preparation, cyclopropenium ions have been the subject of innumerable studies concerning their synthesis, physical properties, and reactivity. However, prior to our work, the reactivity of these unique carbocations had not been exploited for reaction promotion or catalysis.

中文翻译:

催化中的环丙烯鎓离子

环丙烯鎓离子是最小的一类芳香族化合物,满足 Hückel 的芳香性规则,在三元环中有两个 π 电子。Breslow 于 1957 年首先制备了环丙烯鎓离子,尽管它既是阳离子又是高度应变的,但已被发现具有非凡的稳定性。自首次制备以来的 65 年中,环丙烯鎓离子一直是无数关于其合成、物理性质和反应性研究的主题。然而,在我们的工作之前,这些独特的碳阳离子的反应性尚未被用于促进反应或催化。
更新日期:2022-09-28
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