Citation: Markad, Datta; Mandal, Sanjay K. (2019). Design of a Primary-Amide-Functionalized Highly Efficient and Recyclable Hydrogen-Bond-Donating Heterogeneous Catalyst for the Friedel--Crafts Alkylation of Indoles with \b-Nitrostyrenes. ACS Catalysis, 9, pp. 3165-.