Stereocontrolled synthesis of the ABCDE ring moiety of ciguatoxin CTX3C

Shoji Kobayashi, Yusuke Takahashi, Kazuo Komano, Babak H. Alizadeh, Yuuya Kawada, Tohru Oishi, Shin Ichiro Tanaka, Yoshihiro Ogasawara, Shin Ya Sasaki, Masahiro Hirama

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


The ABCDE ring moiety of ciguatoxin CTX3C, a major causative agent of ciguatera poisoning, was stereoselectively synthesized. The key transformations are a chiral auxiliary-based asymmetric alkylation and an asymmetric aldol condensation, which controlled the formation of the C11 and C21-stereocenters, respectively. A highly practical and efficient route to the ABCD ring fragment, a common precursor for the divergent synthesis of the left wings of ciguatoxins, was also established. Graphical Abstract.

Original languageEnglish
Pages (from-to)8375-8396
Number of pages22
Issue number38
Publication statusPublished - Sept 13 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry


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