Synthesis of Indene Frameworks via Rhodium-Catalyzed Cascade Cyclization of Aromatic Ketone and Unsaturated Carbonyl Compounds
Organic Letters2013Vol. 15(7), pp. 1476–1479
Citations Over TimeTop 10% of 2013 papers
Abstract
A novel rhodium(III)-catalyzed direct functionalization of the ortho-C-H bond of aromatic ketone derivatives and an intramolecular cyclization sequence produced indene derivatives in moderate to good yields. This cascade cyclization involves a conjugate addition of α,β-unsaturated ketone and subsequent aldol condensation. The reaction occurred efficiently in the presence of water and under an atmosphere of air.
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