Thiophene acetylenes and furanosesquiterpenes from Xanthopappus subacaulis and their antibacterial activities.

  title={Thiophene acetylenes and furanosesquiterpenes from Xanthopappus subacaulis and their antibacterial activities.},
  author={Li Zhang and Chao-jun Chen and Jia Chen and Qian-Qian Zhao and Ya Li and Kun Gao},
In a search for naturally occurring antibacterial compounds in medicinal plants, six hitherto unknown thiophene acetylenes, named 10,11-threo-xanthopappin D, 10,11-erythro-xanthopappin D, 10,11-cis-xanthopappin B, 5-(but-4-chloro-3-hydroxy-1-ynyl)-2-(Z)-pent-3-ene-1-ynylthiophene, 5-(but-4-chloro-3-hydroxy-1-ynyl)-2-(E)-pent-3-ene-1-ynylthiophene, 5-(but-3,4-dihydroxy-1-ynyl)-2-(Z)-pent-3-ene-1-ynylthiophene and two furanosesquiterpenes, as well as fifteen known compounds, were isolated from… Expand
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