Structures Of Platycodin-D3, Platyconic Acid-A, And Their Derivatives, Saponins Isolated From Root Of Platycodon-Grandiflorum A De-Candolle, Determined By C-13 Nmr-Spectroscopy

Hiroshi Ishii,Kazuo Tori,Takehiko Tozyo,Yohko Yoshimura

CHEMISTRY LETTERS（1978）

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摘要

Six new saponins (5–10) and three new prosapogenins (13, 14, and 16) have been isolated from the root of Platycodon grandiflorum A. DC. Their structures have been elucidated by 13C NMR spectroscopy.

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nmr spectroscopy

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