Add time:07/29/2019         Source:sciencedirect.com

Superoxide ion, generated in situ by the phase transfer reaction of potassium superoxide and 18-crown-6, brings about an easy one pot multicomponent synthesis of 1,4-dihydropyridinefrom1-naphthylamine, aromatic aldehydes and dimedoneunder significantly mild reaction conditions at room temperature.

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