Literature DB >> 10820107

C(18) acetylenic fatty acids of Ximenia americana with potential pesticidal activity.

M O Fatope1, O A Adoum, Y Takeda.   

Abstract

Bioactivity-driven fractionation of the CHCl(3) extract of the root of Ximenia americana, using the brine shrimp lethality test (BST) and hatchability test with Clavigralla tomentosicollis eggs, gave C(18) acetylenic fatty acids 1 and 2. 1 is octadeca-5-ynoic acid (tariric acid). 2 is a novel ene-ene-yne-ene acetylenic fatty acid (10Z,14E,16E-octadeca-10,14,16-triene-12-ynoi c acid). The structures of 1 and 2 were assigned from the MS and NMR data. Fractions that are rich in acetylenic fatty acids inhibited the hatching of C. tomentosicollis eggs.

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Year:  2000        PMID： 10820107     DOI： 10.1021/jf990550k

Source DB:  PubMed          Journal:  J Agric Food Chem        ISSN： 0021-8561            Impact factor:   5.279


  9 in total

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9.  Structural Characterization of Unusual Fatty Acid Methyl Esters with Double and Triple Bonds Using HPLC/APCI-MS2 with Acetonitrile In-Source Derivatization.

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  9 in total

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