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With the purpose of activity enhancement of 1-substituted phenyl-3-(2-thioxo-1,3,4-oxadiazol-5-yl) &#946;-carbolines 1a-c, reported as potential antitumor agents in our previous study, herein we report the synthesis and antitumor activity evaluation of several novel Mannich bases 2-7(a-c), by the introduction of different alkylamino(methyl) groups in the 1,3,4-oxadiazole unity of 1a-c. The antimicrobial activities of 1a-c and of 2-7(a-c) were also evaluated. Additionally, an in silico study of the ADME properties of novel synthesized &#946;-carboline derivatives 2-7(a-c) was performed by evaluation of their Lipinski's parameters and topological polar surface area (TPSA) and percentage of absorption (% ABS) data.Com o propósito de aumentar a atividade anticâncer demonstrada anteriormente pelas 1-fenilssubstituído-3-(2-tioxo-1,3,4-oxadiazol-5-il) &#946;-carbolinas 1a-c, neste trabalho foram realizadas a síntese e a avaliação in vitro da atividade antitumoral de novas bases de Mannich 2-7(a-c), derivadas da introdução de diferentes grupos alquilamino(metil) na unidade 1,3,4-oxadiazol de 1a-c. Os derivados 1a-c e 2-7(a-c) foram também avaliados quanto às atividades antibacteriana e antifúngica. Adicionalmente, um estudo in silico das propriedades de ADME dos novos compostos sintetizados 2-7(a-c) foi realizado pela avaliação de seus parâmetros de Lipinski e de dados de área de superfície topológica polar (TPSA) e de porcentagem de absorção (% ABS)

journal of the brazilian chemical society

Synthesis, antitumor and antimicrobial activity of novel 1-substituted phenyl-3-[3-alkylamino(methyl)-2-thioxo-1,3,4-oxadiazol-5-yl] β-carboline derivatives