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Phytochemistry. 2001 Dec;58(8):1267-9.

Alkaloids from Cynanchum komarovii with inhibitory activity against the tobacco mosaic virus.

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  • 1Research Institute of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071People's Republic of China.

Abstract

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.

PMID:
11738420
[PubMed - indexed for MEDLINE]
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