A new approach to the synthesis of 10‐ and 11‐membered lactams via hydrated imidazoline ring expansion is described. In addition to the ring expansion an alternative course of the hydrated imidazoline evolution was discovered, for the first time, which gave N‐aminoethyl derivatives.
描述了一种通过
水合
咪唑啉扩环合成10元和11元内酰胺的新方法。除了扩环以外,还首次发现了
水合
咪唑啉演化的替代过程,该过程产生了N-
氨基乙基衍
生物。