Anti-HIV agents 45(1) and antitumor agents 205.(2) two new sesquiterpenes, leitneridanins A and B, and the cytotoxic and anti-HIV principles from Leitneria floridana.


Journal Article

Two new sesquiterpenes, leitneridanin A (1) and leitneridanin B (2), and seven known compounds, lirioresinol B, (-)-pinoresinal, (+)-lariciresinol, quassimarin (3), simalikalactone D (4), 1-methoxycanthinone (5), and 5-methoxycanthinone (6), were isolated from Leitneria floridana. Their structures were identified on the basis of spectral data. In vitro biological evaluation showed that 5 is a potent anti-HIV agent (EC(50) 0.26 g/mL; TI >39) and that 3-6 suppressed the growth of a panel of human tumor cell lines (KB, A-549, HCT-8, CAKI-1, MCF-7, and SK-MEL-2). Compounds 3 and 4 were significantly active, with ED(50) values in the range of 0.26-0.012 g/mL.

Full Text

Duke Authors

Cited Authors

  • Xu, Z; Chang, FR; Wang, HK; Kashiwada, Y; McPhail, AT; Bastow, KF; Tachibana, Y; Cosentino, M; Lee, KH

Published Date

  • December 2000

Published In

Volume / Issue

  • 63 / 12

Start / End Page

  • 1712 - 1715

PubMed ID

  • 11141127

Pubmed Central ID

  • 11141127

Electronic International Standard Serial Number (EISSN)

  • 1520-6025

International Standard Serial Number (ISSN)

  • 0163-3864

Digital Object Identifier (DOI)

  • 10.1021/np000260u


  • eng