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Gold‐catalyzed annulation of N‐propargyl ynamides with anthranils can proceed by two distinct mechanisms. In the case of a terminal N‐propargyl ynamide, its resulting α‐imino gold carbene reacts with a tethered alkyne to generate a vinyl cation to enable hydrolysis, which ultimately yields a pyrrolo[2,3‐b]quinoline derivative after treatment with p‐toluenesulfonic acid. For an internal alkyne, its...