Chemical constituents from Piper boehmeriifolium (Miq.) Wall. ex C. DC |
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| Institution: | 1. Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming 650224, PR China;2. Department of Medicinal Plant, School of Forestry, Southwest Forestry University, Kunming 650224, PR China;3. Key Laboratory of Forest Disaster Warning and Control of Yunnan Province, Southwest Forestry University, Kunming 650224, PR China;1. Institute of Ecology and Earth Sciences, University of Tartu, 40 Lai St., 51005 Tartu, Estonia;2. Växjö Katedralskola, Samuel Ödmanns väg 1, SE-352 39 Växjö, Sweden;1. University of Waterloo, Waterloo, Ontario N2L 3G1, Canada;2. GreenField Ethanol Inc., Chatham, Ontario N7M 5J4, Canada;1. Institute of Physics SAS, Dúbravská cesta 9, 845 11 Bratislava, Slovakia;2. Institute of Electronics and Photonics FEI, SUT, Ilkovi?ova 3, 812 19 Bratislava, Slovakia;3. Institute of Physics PAS, Al. Lotnikow 36/42, 02-668 Warsaw, Poland |
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| Abstract: | The chemical investigation of whole plants Piper boehmeriifolium (Miq.) Wall. ex C. DC. led to the isolation of 22 compounds, including two lignans (1–2), sixteen amide alkaloids (3–18), one diterpene (19), two monoterpenes (20–21), and one phenylpropanoid (22). Their structures were elucidated by extensive spectroscopic analyses including NMR, MS, and by comparison with the literature. Compounds 1–2, 6–7, 11–12, 14, and 17–22 were firstly isolated from P. boehmeriifolium, while compounds 2, and 19–20 were isolated from Piper genus for the first time. The chemotaxonomic significance of these isolated compounds is discussed. |
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| Keywords: | Lignans Amide alkaloids Chemotaxonomy |
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