β-Resorcylic acid derivatives with α-glucosidase inhibitory activity from Lasiodiplodia sp. ZJ-HQ1, an endophytic fungus in the medicinal plant Acanthus ilicifolius |
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| Institution: | 1. School of Chemistry and Chemical Engineering, Sun Yat-Sen University, 135 Xin gang West Road, Guangzhou 510275, China;2. School of Life Sciences and Biomedical Center, Sun Yat-Sen University, 135 Xin gang West Road, Guangzhou 510275, China;3. Guangdong Province Key Laboratory of Functional Molecules in Oceanic Microorganism, Bureau of Education, Sun Yat-sen University, 74 Zhongshan Road II, Guangzhou 510080, China;1. Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, P. R. China;2. Reyoung Pharmaceutical Co., Ltd, No. 44 Cultural West Road, Jinan 250012, P. R. China;1. Shaanxi Collaborative Innovation Center of Chinese Medicinal Resource Industrialization, Shaanxi Province Key Laboratory of New Drugs and Chinese Medicine Foundation Research, Shaanxi Rheumatism and Tumor Center of TCM Engineering Technology Research, School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang 712046, China;1. School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, China;2. School of Chinese Materia medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, China;1. Faculty of Science, Department of Chemistry, University of Dschang, P.O. Box 67, Dschang, Cameroon;2. Service Commun d’Analyses, Institut de Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, Bat. 18 B.P. 1039, 51687 Reims Cedex 2, France;3. Groupe Isolement et Structure, Institut de Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, Bat. 18 B.P. 1039, 51687 Reims Cedex 2, France;1. Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China;2. Jiangzhong Pharmaceutical Group Company Limited, Nanchang 330096, China;3. State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China;4. Graduate School of Medicine and Pharmaceutical Sciences for Research, University of Toyama, Toyama 930-0194, Japan |
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| Abstract: | Three new β-resorcylic acid derivatives, compounds 1–3, along with six known analogues (4–9) were isolated from an endophytic fungus Lasiodiplodia sp. ZJ-HQ1 derived from medicinal plant Acanthus ilicifolius. Their structures were elucidated by 1D and 2D NMR spectroscopic analysis, high resolution mass spectrometric (HREIMS) data, and X-ray crystallography. The absolute configurations of compounds 1 and 2 were determined by the modified Mosher’s method. Compounds 1–7 showed more potent inhibitory effects against α-glucosidase activity than the clinical α-glucosidase inhibitor acarbose. |
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| Keywords: | β-Resorcylic acid derivatives Endophytic fungus α-Glucosidase inhibitor |
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