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DOI: 10.1055/s-0031-1280454
© Georg Thieme Verlag KG Stuttgart · New York
Diterpenoids Including a Novel Dimeric Conjugate from Salvia leriaefolia
Publication History
received Sept. 8, 2011
revised Nov. 1, 2011
accepted Nov. 28, 2011
Publication Date:
15 December 2011 (online)
Abstract
Salvialeriafone (1), a novel diterpene-norditerpene conjugate, was isolated from Salvia leriaefolia. Additionally, two new abietane-type diterpenoids, salvialerial (2) and salvialerione (3), as well as four known compounds, sugiol (4), salvicanaric acid (5), dehydroroyleanone (6), and cariocal (7), were isolated and identified. Their structures were determined by spectroscopic data analyses. Known compounds were isolated from this plant for the first time. Compounds 1, 5, 6, and 7 exhibited in vitro antiproliferative activity against the human cervical cancer cell line (Hela), while 6 showed cytotoxicity against the human prostate cancer cell line (PC3).
Key words
Salvia leriaefolia - Labiatae - abietane diterpenoids - salvialeriafone - salvialerial - salvialerione - antiproliferative effect
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Prof. M. Iqbal Choudhary
H. E. J. Research Institute of Chemistry
International Center for Chemical and Biological Sciences
University of Karachi
Karachi 75270
Pakistan
Phone: +92 21 34 81 90 10 ext. 106
Fax: +92 21 34 81 90 18
Email: hej@cyber.net.pk