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Abstract Title:

Anti-HIV-1 constituents from Clausena excavata: Part II. Carbazoles and a pyranocoumarin.

Abstract Source:

Phytother Res. 2005 Aug;19(8):728-31. PMID: 16177980

Abstract Author(s):

Boonsong Kongkathip, Ngampong Kongkathip, Arunrat Sunthitikawinsakul, Chanita Napaswat, Chalobon Yoosook

Article Affiliation:

The Natural Products and Organic Synthesis Research Unit (NPOS), Department of Chemistry, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand. fscibsk@ku.ac.th

Abstract:

Three carbazole derivatives, O-methylmukonal (1), 3-formyl-2,7-dimethoxycarbazole (2) and clauszoline J (3), and a pyranocoumarin, clausenidin (4), were isolated from the rhizomes and roots of Clausena excavata. Compound 1, isolated from this plant for the first time, has not been reported previously as having anti-HIV-1 activity. Compounds 1-4 displayed anti-HIV-1 activity in a syncytial assay with EC(50) values of 12, 29.1, 34.2 and 5.3 microm, respectively, and thus exhibited potential therapeutic index (PTI) values of 56.7, 8.0, 1.6 and 7.0, respectively. All isolated compounds demonstrated a lack of cytotoxicity against the KB and BC-1 cancer cell lines.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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