Abstract

Abstract Treatment of 2-phenyl-5-hexen-2-ol (1a) with Ru3(CO)12 catalyst and PPh3 ligand in the presence of allyl acetate and K2CO3 in toluene at 160 °C for 20 h under 5 atm of carbon monoxide gave the corresponding oxidative cyclization product, 2,5-dimethyl-2-phenyl-2,3-dihydrofuran (2a), in quantitative yield (>99%).

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