期刊
ORGANIC LETTERS
卷 19, 期 2, 页码 424-427出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b03685
关键词
-
资金
- National Natural Science Foundation of China [U1401225, 81473116]
- Science and Technology Planning Project of Guangdong Province [2016B030301004)]
Four novel matrine-based alkaloids (1-4) were isolated from the seeds of Sophora alopecuroides. Compounds 1 and 2 possess unprecedented 6/6/6/4 and 6/5/6/6 ring systems, respectively, while 3 and 4 are a pair of stereoisomeric matrine acetophenone alkaloids with an unusual skeleton. Their structures were elucidated by means of spectroscopic methods and single-crystal X-ray diffraction. Hypothetical biogenetic pathways for 1-4 are proposed, and their antiviral activities are also discussed.
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