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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/22256
Title: Plant anticancer agents, l. cytotoxic triterpenes from sandoricum koetjape stems
Authors: Norito Kaneda
John M. Pezzuto
Douglas Kinghorn
Norman R. Farnsworth
Thawatchai Santisuk
Patoomratana Tuchinda
Jinda Udchachon
Vichai Reutrakul
University of Illinois at Chicago
Thailand Royal Forest Department
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Chemistry;Medicine;Pharmacology, Toxicology and Pharmaceutics
Issue Date: 1-May-1992
Citation: Journal of Natural Products. Vol.55, No.5 (1992), 654-659
Abstract: A new ring-A secotriterpene, koetjapic acid [1], and five known compounds, 3-oxo-olean-12-en-29-oic acid [2] (a novel natural product), katonic acid [3], (−)-alloaromadendrene, (−)-caryophyllene oxide, and (+)-spathulenol, have been isolated and characterized from a cytotoxic Et2O-soluble extract of Sandoricum koetjape stems. Of these compounds, 2 and 3 demonstrated significant cytotoxic activity against cultured P-388 cells (ED50values of 0.61 and 0.11 μg/ml, respectively). Significant, albeit less intense, cytotoxicity was also observed with a variety of cultured human cancer cells. The13C-nmr chemical shifts of these triterpenes were assigned unambiguously using selective INEPT nmr experiments. Aside from compounds 2 and 3, these substances were not toxic with cultured cells. © 1992, American Chemical Society. All rights reserved.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0026752589&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/22256
ISSN: 15206025
01633864
Appears in Collections:Scopus 1991-2000

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