Enantioselective synthesis and stereochemical revision of communiols A-C, antibacterial 2,4-disubstituted tetrahydrofurans from the coprophilous fungus Podospora communis

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Abstract

The enantioselective synthesis of the originally proposed structure of communiol C, an antibacterial 2,4-disubstituted tetrahydrofuran natural product from the coprophilous fungus Podospora communis, and its epimer via the Sharpless asymmetric dihydroxylation as the source of chirality led us to propose that the genuine stereochemistry of communiol C should be 3R, 5R, and 6S. The synthesis of the (3R,5R,6S)-isomer of communiol C and its good accordance with natural communiol C in every respect enabled us to confirm the newly proposed (3R,5R,6S)-stereochemistry for communiol C. The stereochemistries of structurally-related natural products (communiols A and B) of the same microbial origin were also revised through their total synthesis.

Original languageEnglish
Pages (from-to)1921-1928
Number of pages8
JournalBioscience, Biotechnology and Biochemistry
Volume72
Issue number7
DOIs
Publication statusPublished - 2008

Keywords

  • Antibacterial
  • Asymmetric dihydroxylation
  • Communiol
  • Enantioselective synthesis
  • Stereochemical revision

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

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