A new group of serotonin reuptake inhibitors containing 1,2-dihydrocyclopenta[b]indol-3(4H)-one scaffold was synthesized, starting from indole 5-((1H-indol-3-yl)(1,3-dioxane-4,6-diones as a key intermediates. Following three transformations including intramolecular cyclization and formation of imines, a series of new ligand for human serotonin transporter was obtained. The ability of these ligands to inhibit human TS3 serotonin transporter as well as selectivity toward human D3 dopamine receptor and dopamine transporter were tested in silico using docking software.
Manganese(III)‐promoted cyclization of N‐alkenylmalonamides (=N‐alkenylpropanediamides) gave 3‐(aryl/(alkylamino)carbonyl) β‐lactams as well as 3‐(aryl/(alkylamino)thiocarbonyl) β‐lactams. The relative configuration of the obtained products was unambiguously determined by X‐ray crystallography. The proposed method is very useful for the one‐pot synthesis of a number of 3‐(aryl/(alkylamino)carbonyl) β‐lactams, especially those containing an amino(thiocarbonyl) moiety, which are not selectively accessible by other methods.
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