期刊
PHYTOCHEMISTRY
卷 58, 期 8, 页码 1267-1269出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9422(01)00382-X
关键词
pyrroloisoquinoline; phenanthroindolizidines; tobacco mosaic virus; Cynanchum komarovii; Asclepiadaceae
A pyrroloisoquinoline alkaloid, 2,3-dimethoxy-6-(3-oxo-butyl)-7,9,10,11,11a,12-hexahydrobenzo[f]pyrrolo[1,2-b]isoquinoline (1), whose structure was determined by spectroscopic methods, was isolated from the aerial parts of Cynanchum komarovii, together with two known alkaloids. 7-demethoxytylophorine (2) and 7-demethoxytylophorine N-oxide (3). Alkaloids 2 and 3 had antiviral activities against tobacco mosaic virus. (C) 2001 Elsevier Science Ltd. All rights reserved.
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