Publication:
Catalytic Regiodivergent Dearomatization Reaction of Nitrosocarbonyl Intermediates with β-Naphthols

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Date
05-04-2019
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The divergent reactivity of nitrosocarbonyls in oxidative dearomatization of β-naphthols is reported. In the presence of quinidine catalyst, their reactions with α-unsubstituted β-naphthols proceeded through the N-center to furnish α-imino-β-naphthalenones in high yields. Upon exposure to α-substituted β-naphthols in the presence of copper catalyst, an alteration of regioselectivity was observed to produce α-aminoxylation products. The reaction is scalable, tolerates a wide spectrum of functional groups, and represents a rare example of dearomatization of α-unsubstituted β-naphthols.
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