Abstract
The regio‐ and stereoselective nucleophilic addition of primary aliphatic amines to 2‐(1‐alkynyl)‐2‐alken‐1‐ones was found to proceed through double‐bond migration. In particular, this is a mild and atom‐economical route for the preparation of (Z)‐β‐enaminones having cycloalkene rings.
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