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    THE STRUCTURAL ELUCIDATION OF ANTI-TUMOR AGENTS FROM PLANTS

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    Author
    Tempesta, Michael Steven
    Issue Date
    1981
    Keywords
    Tumors -- Chemotherapy.
    Antineoplastic agents.
    Materia medica, Vegetable.
    Advisor
    Bates, R. B.
    
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    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    The structural elucidations of nine new natural products from Thevetia ahouia, Eremocarpus setigerus, Trichilia hispida, Chrysothamus paniculatus, Uvaria acuminata, Wikstroemia monticola, and Uvaria zelanica are discussed in detail. Also included are some known compounds that were found in these plants. Of the new compounds discussed, two are diterpenes (eremone, chrysothame), two are relatively simple triterpenes (hispidols A, B), two are highly oxidized triterpenes (hispidins A, B), one is a fatty acid derivative (uvaricin), one is a shikimate-derived metabolite (1-epizeylenol), and one has both steroidal and carbohydrate features (3'-OMe-evomonoside). ¹H and ¹³C NMR spectral data are given for all the new compounds. Assignments were made by analogy with model compounds, computer simulation, and ¹H-¹H and ¹H-¹³C decoupling where indicated. High resolution mass spectral fragmentations are given for most of the new compounds, and individual structural assignments made for intense peaks. An X-ray analysis (eremone) was done with all pertinent information included. Most of the compounds have been tested for anti-tumor activity, and several exhibit strong cytotoxicity (hispidins A and B, 3'-OMe-evomonoside, huratoxin, uvaricin).
    Type
    text
    Dissertation-Reproduction (electronic)
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Graduate College
    Chemistry
    Degree Grantor
    University of Arizona
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