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Facile Synthesis, Characterization and <i>in Silico</i> Docking Studies of Novel Thiazolidine-2,4-Dione-Based Mannich Base Bearing Furan/Thiophene Moiety as Promising Anti-Inflammatory Agents


Jean Baptiste Nkurunziza
Pierre Dukuziyaturemye
Edith Musabwa
Balakrishna Kalluraya

Abstract

Mannich bases are compounds bearing a β-amino carbonyl moiety. They are formed in the Mannich reaction that consists of an amino alkylation of an acidic proton placed next to a carbonyl functional group by formaldehyde and a primary or secondary amine. Mannich base products are known for their curative properties such as anti-inflammatory, antibacterial, anticancer, antifungal, anthelmintic, anticonvulsant, analgesic, anti-HIV, antipsychotic, antiviral, and antimalarial activities. Further, thiazolidinedione derivatives have shown to be efficacious in inflammatory diseases as wide-ranging as psoriasis, ulcerative colitis and non-alcoholic steatohepatitis. In light of the above observations, new series of thiazolidine-2,4-dione based Mannich base derivatives were synthesized via a simple and catalyst-free procedure involving the condensation of thiazolidine-2,4-dione, formaldehyde and secondary amines in DMF solvent. The structures of the newly synthesized compounds were confirmed by their IR, 1H-NMR, and Mass spectra. The synthesized compounds were tested for their in silico anti-inflammatory activity by Docking studies against COX-2 enzyme (PDB: 1CX2). Compounds 4a and 4b showed good in silico anti-inflammatory properties comparable to that of standard drug Diclofenac and may be considered as promising candidates for the development of new anti-inflammatory agents.


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eISSN: 2617-233X
print ISSN: 2617-2321