Phosphine-catalyzed annulation of ethyl (arylimino)acetates: synthesis of highly functionalized oxoimidazolidines
Literature Information
Guang-Ning Ma, Fei-Jun Wang, Jun Gao
This paper describes an unexpected and novel nucleophilic phosphine-catalyzed annulation of ethyl (arylimino)acetates to give polysubstituted oxoimidazolidine derivatives in moderate to good yields from simple and easily available starting materials under mild conditions. In this reaction, the addition of methyl vinyl ketone (MVK) is essential to induce the formation of oxoimidazolidines.
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![4-Chloro-3-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine structure 4-Chloro-3-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine structure](https://static.chemtradehub.com/structs/869/869335-75-1-a9d0.webp)
