Hassan  Abd Alla Almahy, 
    Synthesis of Amidoalkyl Naphthols from Reaction of β-Naphthol, Acetamide and Aromatic Aldehydes in the Presence of Potassium Hydrogen Sulfate,
    Research Journal of Applied Sciences,
    Volume 6,Issue 7,
    2011,
    Pages 464-466,
    ISSN 1815-932x,
    rjasci.2011.464.466,
    (https://makhillpublications.co/view-article.php?doi=rjasci.2011.464.466)
    Abstract: The multicomponent condensation reaction of β-naphthol, aromatic aldehydes and acetamide in the presence of potassium hydrogen sulfate was carried out under solvent-free condition to afford amidoalkyl naphthols in 83-96% yields.
    Keywords: Amidoalkyl naphthol;acetamide;benzaldehyde;Potassium hydrogen sulfate;Saudi Arabia