Two new minor cyclopeptides from Sagina japonica (Caryophyllaceae) |
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| Authors: | Ai-qun Jia Ning-hua Tan Jun Zhou |
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| Institution: | 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210014, Jiangsu, China;2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Kunming 650204 Yunnan, China |
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| Abstract: | Two new minor cyclopeptides, named japonicin A (1), japonicin B (2), were isolated from the whole plants of Sagina japonica (Caryophyllaceae). Their structures were determined as cyclo-(Pro1-Pro2-Leu2-Leu1-Phe2-Pro3-Gly-Ser-Phe1) (1) and cyclo-(Pro1-Ile-Tyr-Asp-Pro2-Phe2-Pro3-Phe1) (2) on the basis of spectroscopic data, especially by two-dimension NMR technologies. |
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| Keywords: | Cyclopeptide Agina japonica Sajaponicin A Sajaponicin B Structure |
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