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DOI: 10.1055/s-0029-1186143
© Georg Thieme Verlag KG Stuttgart · New York
Naphthoquinones, Anthraquinones and Naphthalene Derivatives from the Bulbs of Eleutherine americana
Publikationsverlauf
received April 11, 2009
revised August 10, 2009
accepted August 18, 2009
Publikationsdatum:
23. September 2009 (online)
![](https://www.thieme-connect.de/media/plantamedica/201004/lookinside/thumbnails/10.1055-s-0029-1186143-1.jpg)
Abstract
A new naphthoquinone, named eleuthinone A (8), two new anthraquinones, named eleuthraquinone A and B (12, 13), a naphthalene derivative, named eleucanarol (14) were isolated from the bulbs of Eleutherine americana, together with two new natural products previously synthesized, and nine known compounds. Their structures were established based on spectroscopic evidence. Their antibacterial activities against Staphylococcus aureus ATCC25923 and ATCC27664, an enterotoxin producing strain were investigated.
Key words
Eleutherine americana - Iridaceae - naphthoquinones - anthraquinones - naphthalenes - antibacterial activity
References
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Assoc. Prof. Dr. Wilawan Mahabusarakam
Department of Chemistry
Faculty of Science
Prince of Songkla University
Hat Yai
Songkhla 90112
Thailand
Telefon: + 66 74 28 84 32
Fax: + 66 74 21 29 18
eMail: wilawan.m@psu.ac.th