Alkaloids from Thalictrum przewalskii

Guo-lin Zhang; Gerhard Rücker; Eberhard Breitmeier; Ralf Mayer; Christoph Steinbeck

doi:10.1055/s-2006-957396

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Planta Med 1998; 64(2): 165-171
DOI: 10.1055/s-2006-957396

Papers

Natural Product Chemistry
© Georg Thieme Verlag Stuttgart · New York

Alkaloids from Thalictrum przewalskii

Guo-lin Zhang¹ ^, ³ , Gerhard Rücker¹ , Eberhard Breitmeier² , Ralf Mayer¹ , Christoph Steinbeck²

¹Pharmazeutisches Institut der Universität Bonn, Bonn, Germany
²Institut für Organische Chemie und Biochemie der Universität Bonn, Bonn, Germany
³Chengdu Institute of Biology, the Chinese Academy of Sciences, Chengdu, People's Republic of China

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Publication History

1997

1997

Publication Date:
04 January 2007 (online)

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Abstract

Nine new alkaloids przewaline, przewalskine, przewalskinine, przewalstine, przewalstinine, przewalstidine, przewalstidinine, przewalidine chloride, and 8-hydroxypseudocoptisine chloride were isolated from Thalictrum przewalskii Maxim., together with the known alkaloids berberinium chloride, magnoflorine chloride, N-methylpalaudinium chloride, thalphenine chloride, and N-methylnantenium chloride. Their structures were determined by spectroscopy including EI-MS, FAB-MS, ¹H-NMR, ¹³C-NMR, C,H-COSY, C,H-COLOC, HMQC and HMBC techniques.

Key words

Thalictrum przewalskii - Ranunculaceae - aporphine-benzylisoquinoline dimers - aporphine alkaloids - protoberberine alkaloids - isopavine alkaloids