Synthesis of new 4-butyl-arylpiperazine-3-(1H-indol-3-yl)pyrrolidine-2,5-dione derivatives and their evaluation for 5-HT1A and D2 receptor affinity and serotonin transporter inhibition
2020
Abstract A series of novel 4-butyl-arylpiperazine-3-(1H-indol-3-yl)pyrrolidine-2,5-dione derivatives were synthesized and evaluated for their 5-HT1A/D2 receptor affinity and serotonin reuptake inhibition. The compounds exhibited high affinity for the 5-HT1A receptor, (especially 4d Ki = 0.4 nM) which depended on the substitution pattern at the phenylpiperazine moiety. From this series screen, compound 4c emerged with promising mixed receptor profiles for the 5-HT1A/D2 receptors and the serotonin transporter (Ki = 1.3 nM, 182 nM and 64 nM, respectively).
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