期刊
TETRAHEDRON LETTERS
卷 57, 期 34, 页码 3810-3813出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2016.06.113
关键词
Flueggea virosa; Norsecurinine-derived alkaloid; Alkaloid dimer
资金
- Joint Fund of NSFC-Guangdong Province [U1401225]
- National Science Foundation of China [81473117]
- Program for New Century Excellent Talents in University [NCET-11-0857]
The phytochemical investigation on the fruits of Flueggea virosa resulted in the discovery of two new norsecurinine-derived alkaloid dimers, norsecurinamines A and B (1 and 2). Compound 1 is the first hetero-dimeric alkaloid possessing norsecurinine and donaxaridine units, and 2 represents the first example of NH-linked dimeric Securinega alkaloid. Their structures and absolute configuration were elucidated on the basis of extensive spectroscopic analysis as well as single-crystal X-ray diffraction method. A plausible biogenetic pathway of 1 was also proposed. (C) 2016 Published by Elsevier Ltd.
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