Enantioselective Synthesis of the Cyclopiazonic Acid Family Using Sulfur Ylides

  • Oleksandr Zhurakovskyi
  • , Yunus E Türkmen
  • , Lorenz E Löffler
  • , Vijayalakshmi A Moorthie
  • , C Chun Chen
  • , Michael A Shaw
  • , Mark R Crimmin
  • , Marco Ferrara
  • , Mushtaq Ahmad
  • , Mehrnoosh Ostovar
  • , Johnathan V Matlock
  • , Varinder K Aggarwal

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)
23 Downloads (Pure)

Abstract

A convergent, nine-step (LLS), enantioselective synthesis of α-cyclopiazonic acid and related natural products is reported. The route features a) an enantioselective aziridination of an imine with a chiral sulfur ylide; b) a bioinspired (3+2)-cycloaddition of the aziridine onto an alkene; and c) installation of the acetyltetramic acid by an unprecedented tandem carbonylative lactamization/N-O cleavage of a bromoisoxazole.

Original languageEnglish
Pages (from-to)1346-1350
Number of pages5
JournalAngewandte Chemie International Edition
Volume57
Issue number5
Early online date19 Dec 2017
DOIs
Publication statusPublished - 26 Jan 2018

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