Abstract
An efficient synthetic method to prepare architecturally challenging spiro tetrahydro‐3H‐dicyclopenta[a,b]naphthalene derivatives from Au(I)‐catalyzed intramolecular sequential cycloisomerization of linear 1,3,9‐ene‐allene‐ynes is described. The proposed cycloisomerization pathway involves an initial gold‐catalyzed 1,3‐ene‐allene cycloisomerization, followed by a formal [4+2] cycloaddition to give fused spirocarbocyclic products containing a quaternary centre.
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