Die Pharmazie 2005-Jul
Diterpenoids from the Chinese herb Caryopteris terniflora and their antibacterial and antitumor activity.
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Keywords
Abstract
Two ent-kaurene type diterpenoids, diterpenoids A (1) and B (2) were isolated from the Chinese herb Caryopteris terniflora and defined as ent-7beta, 11alpha,14-trihydroxy-18-aldehyde-11beta-20-epoxy-kaur-16-en15-one and ent-7beta,14-dihydroxy-11alpha-methoxy-18-aldehyde-11beta-20-epoxy-kaur-16-en-15-one respectively. Compounds 1 and 2 showed significant antibacterial and antitumour activity.