Discovery of (E)-3-((styrylsulfonyl)methyl)pyridine and (E)-2-((styrylsulfonyl)methyl)pyridine derivatives as anticancer agents: synthesis, structure-activity relationships, and biological activities.

Lu, Tiangong; Goh, Aik Wye; Yu, Mingfeng; Adams, Julian; Lam, Frankie; Teo, Theodosia; Li, Peng; Noll, Ben; Zhong, Longjin; Diab, Sarah; Chahrour, Osama; Hu, Anran; Abbas, Abdullahi Y,; Liu, Xiangrui; Huang, Shiliang; Sumby, Christopher J.; Milne, Robert; Midgley, Carol and Wang, Shudong (2014). Discovery of (E)-3-((styrylsulfonyl)methyl)pyridine and (E)-2-((styrylsulfonyl)methyl)pyridine derivatives as anticancer agents: synthesis, structure-activity relationships, and biological activities. Journal of Medicinal Chemistry, 57(6) pp. 2275–2291.

DOI: https://doi.org/10.1021/jm4019614

Abstract

ON01910.Na is a highly effective anticancer agent that induces mitotic arrest and apoptosis. Clinical studies with ON01910 in cancer patients have shown efficacy along with an impressive safety profile. While ON01910 is highly active against cancer cells, it has a low oral availability and requires continuous intravenous infusion or multiple gram doses to ensure sufficient drug exposure for biological activity in patients. We have identified two novel series of styrylsulfonyl-methylpyridines. Lead compounds 8, 9a, 18 and 19a are highly potent mitotic inhibitors and selectively cytotoxic to cancer cells. Impressively, these compounds possess excellent pharmaceutical properties and two lead drug candidates 9a and 18 demonstrated antitumor activities in animal models.

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