Stereoselective Syntheses of trans-Anhydromevalonic Acid and trans-Anhydromevalonyl Group-Containing Natural Products

Atsushi Nakayama, Yoko Yasuno, Yuki Yamamoto, Kai Saito, Kohei Kitsuwa, Hironori Okamura, Tetsuro Shinada

Research output: Contribution to journalArticlepeer-review

Abstract

Collective total syntheses of trans-anhydromevalonic acid (tAHMA) and trans-anhydromevalonyl (tAHM) group-containing natural products (pestalotiopin A, pestalotiopamide C, pestalotiopamide D, farinomalein E, eleutherazine B, and trichocyclodipeptide A) were achieved using tAHMA esters as key intermediates. To this end, tAHMA tert-butyl ester was newly prepared by Z-vinyltosylation of tert-butyl 3-oxo-5-((triisopropylsilyl)oxy)pentanoate followed by the Negishi cross-coupling reaction with Me2Zn. tAHMA esters were converted to the target natural products via esterification or amidation. Comparison of the spectroscopic data of synthetic and natural products confirmed the E-configuration of the tAHM moieties in the natural products.

Original languageEnglish
JournalJournal of Natural Products
DOIs
Publication statusAccepted/In press - 2021
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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