Tannins and related compounds. Part 9. Isolation and characterization of polygalloylglucoses from Turkish galls (Quercus infectoria)

1983 ◽  
pp. 961 ◽  
Author(s):  
Makoto Nishizawa ◽  
Takashi Yamagishi ◽  
Gen-ichiro Nonaka ◽  
Itsuo Nishioka
Keyword(s):  
Isolation And Characterization ◽  
Related Compounds ◽  
Quercus Infectoria

Ryanoids and related compounds — Isolation and characterization of 11 new minor ryanoids from the plant Ryania Speciosa Vahl

2002 ◽  
Vol 80 (5) ◽  
pp. 483-488 ◽  
Author(s):  
Luc Ruest ◽  
Marco Dodier ◽  
Hélène De Sève ◽  
Christian Lessard ◽  
Pascal Mongrain
Keyword(s):  
Natural Compounds ◽  
New Members ◽  
Isolation And Characterization ◽  
Related Compounds

In a search for minor ryanoids from the plant Ryania Speciosa Vahl, we recently characterized 11 new members of that family of natural compounds. Most of them represent ryanodine (1) and dehydroryanodine (2) with a modified stage of oxidation in ring C. A second member of the new 4-deoxy series has been identified.Key words: minor natural ryanoids, ryanodine, dehydroryanodine, deoxyryanoids.

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