Sulcatine,a norsesquiterpene from the fungus Laurilia sulcata |
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| Institution: | 1. Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, China;2. College of Environment, Hohai University, Nanjing 210098, China;3. Hohai University Wentian College, Ma''anshan, China;4. Jiangsu Provincial Academy of Environmental Science, Nanjing 210098, China;1. Biological Section Research Department, Agro-Kanesho Co., Ltd., 9511-4 Yuki, Yuki-City, Ibaraki 307-0001, Japan;2. Chemical Synthesis Section Research Department, Agro-Kanesho Co., Ltd., 852, Shimoyasumatsu, Tokorozawa-City, Saitama 359-0024, Japan;3. Faculty of Life Sciences, Toyo University, 1-1-1 Izumino, Itakura-machi, Ora-gun, Gunma 374-0193, Japan |
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| Abstract: | The structure of sulcatine, a novel protoilludene norsesquiterpene isolated from a culture of Laurilia sulcata, has been assigned on the basis of a detailed study of its 1H NMR and 13C NMR spectra and chemical evidence. The relative configuration was deduced from the observed 1H {1H} nuclear Overhauser effects (NOEs) and from the values of 1H1H coupling constants. The application of the exciton chirality method on the dibenzoate permitted establishment of the absolute configuration of sulcatine as 2S,3R,7S,8S,9R. |
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