New triterpenoids from Leonurus japonicus (Lamiaceae) |
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| Institution: | 1. School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China;2. Institute of Innovative Medicine Ingredients of Southwest Specialty Medicinal Materials, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China;3. State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100050, China;1. Department of Chemistry, Higher Teacher Training College, University of Yaounde I, P. O. Box 47, Yaounde, Cameroon;2. Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon;3. H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan;4. Pharmaceutical Research Center, PCSIR Laboratories Karachi Complex, Karachi, 75280, Pakistan;5. Department of Organic Chemistry, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon;1. School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo ku, Kumamoto, 862-0973, Japan;2. Program for Leading Graduate Schools, Health Life Science: Interdisciplinary and Glocal Oriented (HIGO) Program, Kumamoto University, Kumamoto, Japan;1. State Key Laboratory of Innovative Drugs and High Efficiency Energy Saving and Consumption Reduction Pharmaceutical Equipment, Research Center of Natural Resources of Chinese Medicinal Materials and Ethnic Medicine, Key Laboratory of Modern Preparation of TCM of Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China;2. College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, 473061, China;1. College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China;2. College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China;3. College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, PR China;1. Key Laboratory of Marine Biogenetic Resources, South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Third Institute of Oceanography, Ministry of Natural Resources, 184 Daxue Road, Xiamen, 361005, China;2. Yanjing Medical College, Capital Medical University, 4 Dadong Road, Beijing, 101300, China |
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| Abstract: | Three new triterpenoids (1, 4, and 5), together with 17 known analogues, were isolated from the ethyl acetate soluble portion of the EtOH extract of Leonurus japonicus Houtt. Their structures were determined by spectroscopic analysis. All known triterpenoids were isolated from the genus Leonurus for the first time. Among them, triterpenoids 2–3, 9–12, and 16–20 were first isolated from the family Lamiaceae. Furthermore, the cycloartane, taraxastane, ursane, lupane, euphane, and dammarane types are reported here for the first time from the genus Leonurus. |
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| Keywords: | Lamiaceae Triterpenoids Chemotaxonomy |
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