Xanthocidin derivatives as topoisomerase IIα enzymatic inhibitors

Shuso Takeda, Kentaro Yaji, Kenji Matsumoto, Toshiaki Amamoto, Mitsuru Shindo, Hironori Aramaki

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Few studies have examined xanthocidin, a biotic isolated from Streptomyces xanthocidicus in 1966, because its supply is limited. Based on its chemical structure, xanthocidin has the potential to become a lead compound in the production of agrochemicals and anti-cancer drugs; however, it is unstable under both basic and acidic conditions. We recently established the total synthesis of xanthocidin using the FeCl3-mediated Nazarov reaction, and obtained two stable derivatives (#1 and #2). The results of the present study demonstrated that these derivatives exhibited the inhibitory activity of topoisomerase IIα, known as a molecular target for cancer chemotherapy, and this was attributed to the respective exo -methylene ketone group without DNA intercalation. The results obtained also suggest that these derivatives may have value as lead compounds in the synthesis of topoisomerase IIα inhibitors.

Original languageEnglish
Pages (from-to)331-334
Number of pages4
JournalBiological and Pharmaceutical Bulletin
Volume37
Issue number2
DOIs
Publication statusPublished - Feb 2014

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmaceutical Science

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