The NMR studies on two new furostanol saponins from Agave sisalana leaves

The NMR studies on two new furostanol saponins from Agave sisalana leaves

Copyright 2006 John Wiley & Sons, Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Magnetic resonance in chemistry : MRC. - 1985. - 44(2006), 12 vom: 20. Dez., Seite 1090-5
1. Verfasser: Zou, Peng (VerfasserIn)
Weitere Verfasser: Fu, Jing, Yu, He-shui, Zhang, Jie, Kang, Li-ping, Ma, Bai-ping, Yan, Xian-zhong
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Magnetic resonance in chemistry : MRC
Schlagworte:Journal Article 26-glucopyranosyl-22xi-hydroxyfurost-12-one-3-yl-O-rhamnopyranosyl-1-4-glucopyranosyl-1-3-O-(O-glucopyranosyl-1-2)-O-glucopyranosyl-1-4-galactopyranoside 26-glucopyranosyl-22xi-hydroxyfurost-5-en-12-one-3-yl-O-rhamnopyranosyl-1-4-glucopyranosyl-1-3-O-(O-glucopyranosyl-1-2)-O-glucopyranosyl-1-4-galactopyranoside Saponins Sterols furostanol I 90288-44-1
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520 |a The detailed NMR studies and full assignments of the 1H and 13C spectral data for two new furostanol saponins isolated from Agave sisalana leaves are described. Their structures were established using a combination of 1D and 2D NMR techniques including 1H, 13C, 1H-1H COSY, TOCSY, HSQC, HMBC and HSQC-TOCSY, and also FAB-MS spectrometry and chemical methods. The structures were established as (25S)-26-(beta-D-glucopyranosyl)-22 xi-hydroxyfurost-12-one-3beta-yl-O-alpha-L-rhamnopyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->3)-O-[O-beta-D-glucopyranosyl-(1-->2)]-O-beta-D-glucopyranosyl-(1-->4)-beta-D-galacto- pyranoside (1) and (25S)-26-(beta-D-glucopyranosyl)-22xi-hydroxyfurost-5-en-12-one-3beta-yl-O-alpha-L-rhamno- pyranosyl-(1-->4)-beta-D-glucopyranosyl-(1-->3)-O-[O-beta-D-glucopyranosyl-(1-->2)]-O-beta-D-glucopyranosyl- (1-->4)-beta-D-galactopyranoside (2) 
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650 7 |a Saponins  |2 NLM 
650 7 |a Sterols  |2 NLM 
650 7 |a furostanol I  |2 NLM 
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700 1 |a Fu, Jing  |e verfasserin  |4 aut 
700 1 |a Yu, He-shui  |e verfasserin  |4 aut 
700 1 |a Zhang, Jie  |e verfasserin  |4 aut 
700 1 |a Kang, Li-ping  |e verfasserin  |4 aut 
700 1 |a Ma, Bai-ping  |e verfasserin  |4 aut 
700 1 |a Yan, Xian-zhong  |e verfasserin  |4 aut 
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