Abstract
The consecutive four-component synthesis of 5-acylpyridin-2(1 H )-ones initiated by a copper-free alkynylation in a one-pot fashion has been expanded to include considerably less nucleophilic anilines as the amine component in the Michael addition step by altering the solvent system to 1,4-dioxane; 17 examples for the synthesis of 1-aryl-5-benzoyl-6-phenyl-3,4-dihydropyridin-2(1 H )-ones were obtained in moderate to good yields.
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