“…4,[13][14][15] Besides their well-known antibiotic activity, [16][17][18] lactams show a large spectra of biological outcomes, with potential therapeutic applications in different elds, spanning from cancer, diabetes and infectious diseases. In fact, a number of lactam-containing compounds are reported to act as HIV-1 integrase inhibitor, 19,20 opioid receptor agonist, 21,22 as well as antitumoral, [23][24][25] anti-inammatory, 26,27 and antidepressant agents [28][29][30] (Fig. 1).…”