亚胺离子(Iminium ion)是一类具有 [R1R2C=NR3R4]+ 通式的正离子,可看作是亚胺的质子化或烷基化产物。[1] 亚胺离子很容易由胺与羰基化合物缩合生成,它实际上是一种掩蔽了的α-氨基碳正离子,即氨基烷基化试剂。
涉及亚胺离子中间体的有机反应有:
Eschenmoser盐也是一种含有亚胺离子的盐。
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参考资料
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