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Twelve pregnane glycosides from Cynanchum atratum

✍ Scribed by Hong Bai; Wei Li; Yoshihisa Asada; Tadaaki Satou; Yuanshu Wang; Kazuo Koike


Book ID
116892267
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
281 KB
Volume
74
Category
Article
ISSN
0039-128X

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## Abstract Three new pregnane glycosides, cynatroside A (**1**), cynatroside B (**2**), and cynatroside C (**3**), isolated from the roots of __Cynanchum atratum__ (Asclepiadaceae), were characterized as 7__Ξ²__‐{[__O__‐__Ξ±__‐L‐cymaropyranosyl‐(1β†’4)‐__O__‐__Ξ²__‐D‐digitoxopyranosyl‐(1β†’4)‐__Ξ²__‐D‐ole