Koninginins L and M,two polyketides from Trichoderma koningii 8662 |
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| Affiliation: | 1. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;2. Life Science College, Southwest Forestry University, Kunming 650224, China;1. Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan;2. Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh;3. Department of Pharmaceutical Chemistry, University of Dhaka, Dhaka 1000, Bangladesh;4. University of the Philippines Visayas Tacloban College, Tacloban City 6500, Philippines;1. Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China;2. State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau 999078, China;1. School of Life Science, Beijing Institute of Technology, Beijing 100081, PR China;2. Beijing BIT&GY Pharmaceutical R&D Co. Ltd., Beijing 100081, PR China;1. Jiangsu Kanion Pharmaceutical Co. Ltd., 58 South Haichang Road, Lianyungang 222001, PR China;2. State Key Laboratory of New-tech for Chinese Medicine Pharmaceutical Process, Lianyungang 222001, PR China;3. Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, PR China;1. Department of Chemistry and Center of Excellence for Innnovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;2. Department of Microbiology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;3. National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Klong Luang, Pathumthani 12120, Thailand;1. Department of Pharmacognosy, Faculty of Pharmacy, Atatürk University, 25240 Erzurum, Turkey;2. Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, 06100 Ankara, Turkey;3. Department of Chemistry, Faculty of Science, Atatürk University, 25240 Erzurum, Turkey |
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| Abstract: | Two new fungal metabolites, named koninginins L (1) and M (2), together with three known koninginins A (3), E (4), and trichodermaketone C (5), were isolated from solid fermentation products of Trichoderma koningii 8662. Koninginins L (1) and M (2) were elucidated by extensive spectroscopic methods, including 1D and 2D NMR, HR-EI-MS experiments, and the absolute configuration of compound 1 was confirmed by single-crystal X-ray diffraction analysis using the anomalous scattering of Cu Kα radiation. |
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| Keywords: | Koninginin L Koninginin M X-ray crystallography |
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