Lignan-Glycosides from the Bark of Ligstrum japonicum

Keiko Kudo; Toshihiro Nohara; Tetsuya Komori; Toshio Kawasaki; Hans-Rolf Schulten

doi:10.1055/s-2008-1074966

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Planta Med 1980; 40(11): 250-261
DOI: 10.1055/s-2008-1074966

Research Articles

Lignan-Glycosides from the Bark of Ligstrum japonicum

Field Desorption Mass Spectrometry of Natural Products - VII¹ Keiko Kudo¹ , Toshihiro Nohara¹ , Tetsuya Komori¹ , Toshio Kawasaki¹ , Hans-Rolf Schulten²

¹Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
²Institute of Physical Chemistry, University of Bonn, Federal Republic of Germany

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Publikationsdatum:
29. April 2008 (online)

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Abstract

Eight compounds were isolated from the barks of Ligstrum japonicum Thunb. which is used in Chinese drugs and their structures were elucidated by using IR, PMR, ¹³C-NMR, and electron impact mass spectrometry. Besides this conventional analytical methods, field desorption mass spectrometry was successfully used for the first time for the determination and confirmation of the structures of naturally occurring lignan-glycosides and their acetyl derivatives. Two new lignan-glycosides and one new alkene-oligogly-coside were characterized.

Key Word Index

Lignan-Glycosides - Alkene-Glycoside - Ligstrum japonicum - Field Desorption Mass Spectrometry - ¹³C-NMR.