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- W2413587347 abstract "Herein we describe the structure–activity relationship of a large library of Mannich bases (MBs) synthesized from 2-hydroxy-1,4-naphthoquinone. In general, the compounds have shown high to moderate activity against the HL-60 (promyelocytic leukaemia) cell line with IC50 = 1.1–19.2 μM. Our results suggest that the nature of the aryl moiety introduced in the structure of MBs by the aldehyde component is crucial to the cytotoxicity, and although the group originated from the primary amine has a lesser influence, aromatic ones were found to suppress the activity. Thus, MBs derived from salicylaldehydes or 2-pyridinecarboxaldehyde and aliphatic amines are the most active compounds. A satisfactory correlation of the EpIIc versus IC50 (μM) in dimethylsulfoxide was observed. The most cytotoxic MBs (Series a–c, derived from salicylaldehydes) showed the least negative EpIIc values. Noteworthy, however, Series d (derived from 2-pyridinecarboxaldehyde) did not follow this correlation. They exhibited both the lowest IC50 and the most negative EpIIc values, thus suggesting that other factors also influence the cytotoxicity of the MBs, such as lipophilicity, electronic distribution and hydrogen bonding." @default.
- W2413587347 created "2016-06-24" @default.
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- W2413587347 date "2016-08-01" @default.
- W2413587347 modified "2023-10-09" @default.
- W2413587347 title "New insights into 3-(aminomethyl)naphthoquinones: Evaluation of cytotoxicity, electrochemical behavior and search for structure–activity correlation" @default.
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- W2413587347 doi "https://doi.org/10.1016/j.bmcl.2016.06.027" @default.
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