R. A.  Jagtap, Pradhan, C., Gonnade, R. G., and Punji, B., ?Efficient route to 3,3 `-biindolinylidene-diones by iron-catalyzed dimerization of isatins?, Chemistry-an Asian Journal, vol. 17, no. 15, p. e202200414, 2022.

C.  Pradhan and Punji, B., ?Advances in the iron-catalyzed direct functionalizations of heterocycles?, Synlett, vol. 34, no. 7, pp. 683-697, 2023.