Mn(II) complex based on 3-hydroxy naphthoic acid is a new, recyclable and efficient catalyst for the synthesis of quinoline derivatives by the Hantzsch reaction. The one-pot four-component cyclocondensation of dimedone, aromatic aldehydes, acetophenone and ammonium acetate was carried under the conditions of refluxing in DMF at 110ºC. This method offers several advantages such as easy […]