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- E-ISSN 2288-8985
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Structure Elucidation of New Cochlioquinol Derivatives from Pathogenic Fungus Bipolaris cynodontis
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1996, v.9 no.1, pp.112-117
Lim,
C.
(1996). Structure Elucidation of New Cochlioquinol Derivatives from Pathogenic Fungus Bipolaris cynodontis. Analytical Science and Technology, 9(1), 112-117.
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Abstract
Three active compounds were isolated from the culture of a plant pathogenic fungus, Bipolaris cynodontis. The structure elucidation of these compounds was accomplished by 2D NMR techniques, such as <TEX>$^1H-^1H$</TEX> and <TEX>$^{13}C-^1H$</TEX> COSY, COLOC, HMBC and rotating frame NOE(ROESY). Compounds were found as derivatives of cochlioquinone and cochlioquinol that were previously isolated as phytotoxins from B. bicolor and B. cynodontis, respectively. The compounds showed phytotxicity against Italian ryegrass, one of the host plants of B. cynodontis.
- keywords
- phytotoxin, Bipolaris cynodontis, Bermuda grass, Italian ryegrass, cochlioquinol, cochlioquinone
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