期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 10, 期 10, 页码 3307-3312出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0968-0896(02)00208-0
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The remarkable metabolism of the cruciferous phytoalexins camalexin and 6-methoxycamalexin by the stem rot phytopathogen Sclerotinia sclerotiorum is reported. The biotransformations yielded camalexins glucosylated at N-1 or C-6 of the indole ring, with substantially lower antifungal activity than camalexins. A camalexin analogue with the positions N-1 and C-6 blocked was metabolized but at a much slower rate than the natural phytoalexins. The chemistry involved in the metabolism of natural camalexins and two new analogues, as well as their novel metabolites and respective antifungal activities is described. (C) 2002 Elsevier Science Ltd. All rights reserved.
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