Synthesis, Molecular Modeling, and Biological Evaluation of Novel Tetrahydro-β-Carboline Hydantoin and Tetrahydro-β-Carboline Thiohydantoin Derivatives as Phosphodiesterase 5 Inhibitors
Scheme 2
Synthesis of 1,3-disubstrituted tetrahydro-β-carbolines and tetrahydro-β-carboline hydantoin derived from L-tryptophan.