New labdane-type diterpenoids from Leonurus heterophyllus SW.

  title={New labdane-type diterpenoids from Leonurus heterophyllus SW.},
  author={Phan Giang and Phan Tong Son and Katsuyoshi Matsunami and Hideaki Otsuka},
  journal={Chemical & pharmaceutical bulletin},
  volume={53 8},
Five new natural labdane-type diterpenoids (5-9), designated leoheteronins A-E, together with four known diterpenoids (1-4), two phytosterols as a mixture of beta-sitosterol and stigmasterol, and the flavone genkwanin (10) were isolated from the aerial parts of Leonurus heterophyllus SW. (Lamiaceae) collected in northern Vietnam. Compound 1 was isolated for the first time from a Leonurus species, and 10 is considered to be a chemotaxonomic marker of the Leonurus genus. Their structures were… CONTINUE READING

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T. L. Do
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