期刊
ORGANIC LETTERS
卷 18, 期 3, 页码 444-447出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b03487
关键词
-
资金
- National Natural Science Foundation [21532007, 81273398, 81321092]
- Foundation from the Ministry of Science and Technology of the People's Republic of China [2012CB721105]
Four limonoids, cipacinoids A-D (1-4), with spirocyclic skeletons were isolated from Cipadessa cinerascens. It is particularly notable that compounds 1-3 had a 17S-configuration for the first time in the limonoid family. Their structures with absolute configurations were assigned by spectroscopic data, X-ray crystallography, and CD analysis. Compound 1 showed moderate protein tyrosine phosphatase 1B (PTP1B) inhibition.
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