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Braz. J. Pharm. Sci. (Online) ; 59: e19544, 2023. tab, graf
Article in English | LILACS | ID: biblio-1429970


Abstract A new series of N-Mannich bases of 2-Phenyl-5-benzimidazole sulfonic acid have been synthesized through amino methylation reaction with secondary amines. The two moieties were held together through a methylene bridge, which comes from formaldehyde (Formalin Solution 37%) used in the reaction. Chemical structures of the newly synthesized compounds have been confirmed using FT-IR, 1HNMR and 13CNMR. Different in vitro assays including Anti-oxidant, Enzyme inhibition, Anti-microbial and Cytotoxicity assay were performed to evaluate the biological potential with reference to the standard drug. Among the synthesized library, compound 3a shows maximum alpha-glucosidase inhibition with an IC50 value of 66.66 µg/ml, compound 3d was found most toxic with LC50 value of 10.17 µg/ml. ADME evaluation studies were performed with the help of Molinspiration online software. Docking calculations were also performed. Given the importance of the nucleus involved, the synthesized compound might find extensive medicinal applications as reported in the literature.

Benzimidazoles/agonists , Mannich Bases/analysis , Antioxidants/pharmacology , Sulfonic Acids/adverse effects , Pharmaceutical Preparations/administration & dosage , alpha-Glucosidases/adverse effects , Molecular Docking Simulation/instrumentation , Methylation
Article in English | IMSEAR | ID: sea-151612


Novel Mannich bases of 5-(substituted amino alkyl)-2-{(1, 3 benzothiazole-2-yl)}-thiazolidine-4 one, are synthesized by amination at 5th position of thiazolidine ring of 2-{(1, 3 benzothiazole-2-yl)}-thiazolidine-4 one using formaldehyde and various secondary amines. The synthesized compounds have been characterized by physico-chemical and spectral analysis and screened for their in- vitro antibacterial activity against various strains of bacteria.