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Letters in Drug Design & Discovery

Editor-in-Chief

ISSN (Print): 1570-1808
ISSN (Online): 1875-628X

Cytostatic and Cytotoxic Activity of Synthetic Diterpene Derivatives Obtained from (-)-Kaur-9(11), 16-Dien-19-Oic Acid Against Human Cancer Cell Lines

Author(s): Randolph Alonso, Heidi Gomis, Antonieta Taddei and Cristina Sajo

Volume 2, Issue 4, 2005

Page: [255 - 259] Pages: 5

DOI: 10.2174/1570180054038323

Price: $65

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Abstract

These diterpenes (1) and (2) were synthesized via epoxidation and rearrangements of (-)-Kaur-9(11), 16-dien-19-oate (7) isolated from Venezuelan species of espeletia (frailejon), and their antimicrobial and antitumoral activity were evaluated. Compound (1) showed GI50 values of 51.6 nM against CNS SF-539, LC50 = 100 μM, log10 GI50 = -7.29; compound (2) showed GI50 at 4.17 μM against breast cancer T47D, LC50 = 39 μM and Log10 GI50 = -5.38. Our results suggest that these compounds are highly cytotoxic and cytostatic against human cancer cell lines.

Keywords: diterpene, kaurene, espeletia, antitumoral, cytostatic and cytotoxic

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