期刊
NATURAL PRODUCT RESEARCH
卷 29, 期 14, 页码 1372-1375出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2014.998217
关键词
Piper wallichii; triterpenoid glycoside; miscellaneous constituents
资金
- National Natural Science Foundation of China [81273408]
- 973 Program [2011CB915503]
- National Science and Technology Support Program of China [2013BAI11B02]
- Fourteenth Candidates of the Young Academic Leaders of Yunnan Province [2011CI044]
- West Light Foundation of CAS
Fifteen known compounds including four triterpenoids (1-4), one sterol (5), one diketopiperazine alkaloid (6) and nine phenolics (7-15) were isolated from the stems of Piper wallichii. Their structures were elucidated by means of spectroscopic analysis, and acidic hydrolysis in case of the 2-oxo-3,19,23-trihydroxyurs-12-en-28-oic acid -D-glucopyranosyl ester (1). The structure of compound 1 was fully assigned by 1D and 2D NMR experiments for the first time. All isolates were tested for their antibacterial, antifungal, anti-inflammatory and antiplatelet aggregation bioactivities.
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