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Abstract
Two new cyclopeptides, arenariphilin G (1) and arenariphilin H (2), were isolated from the whole plants of Arenaria oreophila Hook. Their structures were determined as cyclo(Pro-Ile-Ser2-Gly-Ala1-Ala2-Val-Ser1) (1) and cyclo(Pro-Gly- Phe-Ser-Leu) (2), respectively, by detailed spectroscopic analysis.
Acknowledgements
This project was financially supported by the Natural Science Foundation of Yunnan (2001B055M). We are grateful to the analytical group for spectrum measurement in the State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany (CAS). Thanks to Professor Zhe-Kun Zhou, Kunming Botany Garden (CAS), for identifying the specimen of the plant materials.