Abstract
A series of nine new compounds bridged by acyl groups at the 5,8-dihydroxyl group of DHNQ were synthesized and their cytotoxic activity against L1210 and P388 cancer cells was examined. Their antitumor action in mice bearing S-180 cells in the peritoneal cavity was also assessed. Increasing the size of the acyl group (compounds 7–9) up to propyl increased the antitumor activity (T/C value), whereas the cytotoxicity of these compounds was comparable against L1210 (lymphocytic leukemia) and P388 (lymphoid neoplasm) cancer cells. Further increasing in the chain length (compounds 11–15) decreased the potency. Thus, acyl group chains of three carbon atoms is optimal for antitumor activity. The most potent compound of this series was 2-[N-methyl-N-(4-methyl-1,3-benzothiazol-2-yl)aminomethyl]-5,8-dipropylcarbonyloxy-1,4-naphthoquinone (compound 9) with a T/C (%) value of 354.
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Yoo, J., Choi, HS., Choi, CH. et al. Synthesis and evaluation of antitumor activity of novel 2-[N-Methyl-N-(4-methyl-1,3-benzothiazol-2-yl)aminomethyl]-5,8-diacyloxy-1,4-naphthoquinones. Arch. Pharm. Res. 31, 142–147 (2008). https://doi.org/10.1007/s12272-001-1132-3
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DOI: https://doi.org/10.1007/s12272-001-1132-3