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- Title
Identification of new pyrrole alkaloids from the fruits of Lycium chinense.
- Authors
Youn, Ui; Lee, Joo; Kil, Yun-Seo; Han, Ah-Reum; Chae, Chong; Ryu, Shi; Seo, Eun-Kyoung
- Abstract
Three new minor pyrrole alkaloids, 3-[2-formyl-5-(hydroxymethyl)-1 H-pyrrol-1-yl]pentanedioic acid ( 1), (2 R)-[2-formyl-5-(hydroxymethyl)-1 H-pyrrol-1-yl]-1-methoxy-1-oxobutanoic acid ( 2), and methyl (2 R)-[2-formyl-5-(methoxymethyl)-1 H-pyrrol-1-yl]-4-methylpentanoate ( 3) were isolated from the fruits of Lycium chinense Miller (Solanaceae), along with the known compound, methyl (2 R)-[2-formyl-5-(methoxymethyl)-1 H-pyrrol-1-yl]-3-(phenyl)propanoate ( 4). The structures of 1- 4 were elucidated by analysis of their 1D- and 2D-NMR and HRMS data. The absolute configurations of 2- 4, possessing a stereogenic center in each structure, were determined by comparison of their experimental electronic circular dichroism (ECD) with those of calculated ECD values.
- Publication
Archives of Pharmacal Research, 2016, Vol 39, Issue 3, p321
- ISSN
0253-6269
- Publication type
Article
- DOI
10.1007/s12272-015-0695-3