NIKNAM, Khodabakhsh; SAJADI, Seyed Ahmad; HOSSEINI, Roghayeh; BAGHERNEJAD, Mojtaba. Silica-bonded n-propyldiethylenetriamine sulfamic acid as a recyclable solid acid catalyst for the synthesis of coumarin and biscoumarin derivatives. Iranian Journal of Catalysis, [S. l.], v. 4, n. 3, 2024. Disponível em: https://oiccpress.com/ijc/article/view/3806. Acesso em: 9 jun. 2026.