期刊
TETRAHEDRON LETTERS
卷 53, 期 13, 页码 1576-1578出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.01.060
关键词
Catharoseumine; Monoterpenoid indole alkaloid; Perxoxy bridge; Catharanthus roseus
资金
- National Natural Science Funding of China [30830114, 31100259]
- Ministry of Science and Technology [2009CB522300, 2009CB940900]
- Young Academic and Technical Leader Raising Foundation of Yunnan Province [2009CI072]
- HPC Center of Kunming Institute of Botany (KIB), Chinese Academy of Sciences (CAS)
Catharoseumine (1), a new monoterpenoid indole alkaloid possessing a unique peroxy bridge moiety, was isolated from the whole plants of Catharanthus roseus. Its structure was elucidated on the basis of NMR, IR, UV, and high-resolution mass spectrometric data, and its absolute configuration was determined by ECD and chemical methods. Catharoseumine (1) exhibited cytotoxicity against HL-60 cell line with IC50 value of 6.28 mu M and potential inhibition against Plasmodium falciparum falcipain-2 (IC50= 4.06 mu M). A plausible biogenetic pathway of 1 was also proposed. (C) 2012 Elsevier Ltd. All rights reserved.
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