The cyclic anhydride is one of the important functionalities in chemistry and has been used to design a variety of bioactive natural products, structurally interesting heterocyclic systems, and polymers with tailored material characteristics. 1 To date, several dialkylmaleic anhydrides have also been isolated as potent bioactive natural products2, 3 and many product specific syntheses with some limitations are known in the literature. 4, 5 Now, we ...
