Strontium(II) triflate catalysed condensation of β-naphthol, aldehyde and urea or amides: a facile synthesis of amidoalkyl naphthols J. Chem. Res. (2008), pp. 123-128 View in ScopusGoogle Scholar [20] N.P. Selvam, P.T. Perumal A new synthesis of acetamido phenols promoted by Ce(SO4...