“…They occupy a very important place in heterocyclic chemistry due to their great chemical reactivity [1] allowing access to a multitude of new products of this family [ 2 , 3 ]. Besides, to their chemical reactivity, the place of pyridazinones in medicinal chemistry has not ceased to increase in recent years, due to their wide range of products with interesting pharmacological activities such as anticancer, anti-hypertensive, antibacterial, anti-HIV, antinociceptive, anti-inflammatory, antidepressants, anti-convulsant, cardiotonic and diuretics [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] . Moreover, several pyridazinone-based products are already present in the pharmaceutical market such as Minaprine, Azanrinone, Emorfazone, Indolidan, Levosimendan, Primobendan, and Bemoradan [13] , [14] , [15] , [16] , [17] , [18] , [19] ( Fig.…”