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《Agrochemicals》 2007-12
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Isolation and Identification of the Herbicidal Active Metabolites of Actinomyces SPRI-10885

XU Wen-ping1,2, YUAN Sheng1, TAO Li-ming2, GUO Lei2, LUO Jun1 (1.College of Life Science, Nanjing Normal University, Nanjing 210097, China; 2.Shanghai Pesticide Research Institute, Shanghai 200032, China)  
The metabolites of Streptomyces niveus SPRI-10885 showed strong herbicidal activity against various broad-leaved and grass weed. With the help of solvents extraction, silica gel chromatograph and HPLC, five active compounds were purified from the ferment broth. According to the MS and NMR spectra data, the molecular formula of the compounds were confirmed as C18H23N5O9, C23H29N5O10, C23H29N5O11, C15H10O4, C15H10O5. Compared with the known compounds in literatures and compounds database, the structures of 10885-Ⅰ, 10885-Ⅱ and 10885-Ⅲ were as same as herbicidin B, herbicidin F and herbicidin A, the structures of 10885-Ⅳ and 10885-Ⅴ were confirmed as genistein and daidzein.
【Fund】: 国家高科技计划“863”项目(2006AA10A214);; 国家重点基础研究发展计划(973计划)(2003CB114402);; 国家“十一·五”科技支撑项目(2006BAE01A01-6)
【CateGory Index】: S482.4
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