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A dual gold(I)‐catalyzed three‐component reaction was developed to prepare indene‐fused carboxylic acid derivatives from diynes, alcohols, and pyridine N‐oxides in both inter‐ and intramolecular fashions. The pyridine N‐oxides were found to exhibit distinct selectivity unlike the α‐oxo gold carbene intermediates in the well‐developed gold‐catalyzed oxidative functionalization of alkynes. Experimental...
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