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In this article we describe the straightforward synthesis of polysubstituted pyrimidines by electrophilic activation of secondary amides in the presence of alkynes. An unusual mechanistic detour leading to pyridine derivatives as products is also presented and briefly discussed.

Electrophilic Activation of Amides for the Preparation of Poly­substituted Pyrimidines

Electrophilic Activation of Amides for the Preparation of Polysubstituted Pyrimidines