Pyrrolizidine alkaloids from Onosma arenaria (Boraginaceae)

被引：40
作者：
El-Shazly, A
Abdel-Ghani, A
Wink, M [1 ]
机构：
[1] Univ Heidelberg, Inst Pharmazeut Biol, INF 364, D-69120 Heidelberg, Germany
[2] Zagazig Univ, Fac Pharm, Dept Pharmacognosy, Zagazig, Egypt
来源：
BIOCHEMICAL SYSTEMATICS AND ECOLOGY | 2003年 / 31卷 / 05期
关键词：
Onosma arenaria; Boraginaceae; pyrrolizidine alkaloids; uplandicine; NMR; gas liquid chromatography (GLC); GLC-mass spectrometry;
D O I：
10.1016/S0305-1978(02)00177-1
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Uplandicine, a 1,2-unsaturated pyrrolizidine alkaloid esterified with acetyl and echimidinyl moieties at C-7 and C-9, respectively, was isolated as a major component from the alkaloid extract of Onosma arenaria. Its structure was confirmed by MS (EI and positive FAB), 1H- and 13C-NMR analysis. Furthermore, nine minor alkaloids were identified on the basis of mass spectral data and/or Kovats retention indices. (C) 2003 Published by Elsevier Science Ltd.
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收藏
页码：477 / 485
页数：9
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