Synthesis of polycyclic naphthols and naphthalenes via tandem Ti(Oi-Pr)4-promoted photoenolization Diels–Alder reaction and aromatization
Literature Information
Xiao-Long Lu, Baochao Yang, Haibing He
An efficient approach to naphthol and naphthalene scaffolds has been developed using a sequence involving tandem Ti(Oi-Pr)4-promoted photoenolization Diels–Alder (PEDA) and aromatization reactions. Starting with photoenolizable ortho-tolualdehyde derived dienes, the sequence using sterically hindered cyclohexenone and cyclopentenone dienophiles construct naphthol- and naphthalene-fused polycyclic products, respectively. The strategy was successfully utilized to synthesize the core skeletons of the bioactive marine natural products garveatin C and exiguaquinol.
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Organic Chemistry Frontiers

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