3.1.9. Preparation of Substituted 1-Benzoyl-β-Carbolines 14–19, 24–25, 36–37 Corresponding acetophenone (0.5 mmol) and iodine (0.09 g, 0.4 mmol) were added to 2 mL of DMSO, and the resulting solution was heated at 110 ◦C for 1 h. Afterwards, tryptamine or its derivative (...