Glycosides of 14,15-seco- and 13,14:14,15-disecopregnanes from the roots of Tylophora tanakae.

@article{Abe1999GlycosidesO1,
  title={Glycosides of 14,15-seco- and 13,14:14,15-disecopregnanes from the roots of Tylophora tanakae.},
  author={Fumiko Abe and Masao Hirokawa and Takashi Yamauchi and Kohsuke Honda and Noriko Hayashi and Ritsuo Nishida},
  journal={Chemical & pharmaceutical bulletin},
  year={1999},
  volume={47 10},
  pages={1384-7}
}
Five new glycosides of 14,15-seco- and 13,14:15-diseco-type pregnanes, including a new pregnane, 2 alpha-hydroxyhirundigenin, were isolated, in addition to one known glycoside, cynatratoside B, from the roots of Tylophora tanakae Maxim. Their structures were elucidated by spectral and chemical means. 

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