期刊
NATURAL PRODUCTS AND BIOPROSPECTING
卷 8, 期 6, 页码 413-418出版社
SPRINGER SINGAPORE PTE LTD
DOI: 10.1007/s13659-018-0181-y
关键词
Coffea arabica; Cherries; Triterpenoids; Structural elucidation
资金
- National Natural Science Foundation of China, China [31670364]
- Project of Key New Productions of Yunnan Province, China [2015BB002]
- STS Programme of Chinese Academy of Sciences, China [KFJ-SW-STS-143-8]
- Special Fund Project of Pu'er municipal government, China
- Foundation of State Key Laboratory of Phytochemistry and Plant Resources in West China, China [P2015-ZZ09]
In present study, four new dammarane-type triterpenoids, namely caffruones A-D (1-4), were isolated from the cherries of Coffea arabica. Their structures were elucidated by extensive spectroscopic analysis including 1D, 2D NMR (HSQC, HMBC, H-1-H-1 COSY, and ROESY), HRMS and IR spectra. This is the first time that tetracyclic triterpenes have been reported in genus Coffea.
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