Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1<i>H</i> benzo[<i>f</i>]chromene-2-carbonitrile derivatives by Fe<sub>3</sub>O<sub>4</sub>@enamine-B(OSO<sub>3</sub>H)<sub>2</sub> as an efficient and novel heterogeneous magnetic nanostructure catalyst
Polish Journal of Chemical Technology