Two alternative annulation pathways involving either the enolate arylation or the addition to the ketone carbonyl group can operate in the Pd-catalysed intramolecular coupling of 2-haloanilines and ketones.
涉及烯醇化芳基化或向酮羰基的加成的两种替代的环化途径可以在2-卤代
苯胺和酮的Pd催化的分子内偶联中起作用。