phthalazine derivatives possess properties such as antimicrobial anticancer and etc activities onepot synthesis of 2Hindazolo[2,1-b] phthalazine-trione drivatives with various homogenious and heterogenous catalyst reported in literature nanocatalysis is now an important area in the field of nanosience and catalisis in recent years use of magnetic nanoparticles due to superparamagnetic behaviour and easy separation from the reaction media large surface area low toxicity good stability and posible functionalization and etc...
