Structural determination of two new triterpenoids from Potentilla discolor Bunge by NMR techniques |
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| Authors: | Yang Jie Chen Xiao-Qing Liu Xiao-Xiao Cao Yuan Lai Mao-Xiang Wang Qiang |
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| Institution: | Key laboratory of Modern Chinese Medicines (China pharmaceutical University), Ministry of Education, Nanjing, 210009, People's Republic of China. |
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| Abstract: | Two new pentacyclic triterpenoids, 3alpha, 30-dihydroxylup-20(29)-en-27-oic acid (1) and (20S)-3alpha, 29-dihydroxylupan-27-oic acid (2) were isolated from the whole herbs of Potentilla discolor Bunge. The structures of these two new compounds were elucidated, and complete assignments of the (1)H and (13)C NMR spectroscopic data were achieved by 1D and 2D NMR experiments (HSQC, HMBC, (1)H-(1)HCOSY and ROESY). |
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| Keywords: | NMR 1D/2D NMR triterpenoids 3α 30‐dihydroxylup‐20(29)‐en‐27‐oic acid (20S)‐3α 29‐dihydroxylupan‐27‐oic acid Potentilla discolor Bunge Rosaceae |
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