Studies on the Constituents of Asclepiadaceae Plants. L. Two New Oligoglycosides, Cynanchoside C2 and Cynanchoside C1, from Cynanchum caudatum MAX.

KEIJI WADA; KOJI HAYASHI; HIROSHI MITSUHASHI; HIDEO BANDO

doi:10.1248/cpb.30.3500

Studies on the Constituents of Asclepiadaceae Plants. L. Two New Oligoglycosides, Cynanchoside C₂ and Cynanchoside C₁, from Cynanchum caudatum MAX.

KEIJI WADA, KOJI HAYASHI, HIROSHI MITSUHASHI, HIDEO BANDO

Author information

Keywords: PRFT method

JOURNAL FREE ACCESS

1982 Volume 30 Issue 10 Pages 3500-3504

DOI https://doi.org/10.1248/cpb.30.3500

Details

Abstract

Two new steroidal oligoglycosides, named cynanchoside C₂ (1a) and cyanchoside C₁ (2a), were isolated from the rhizome of Cynanchum caudatum MAX. The structures of 1a and 2a were elucidated by the application of ¹³C-nuclear magnetic resonance spectroscopy and chemical reactions.

Corresponding author

Register with J-STAGE for free!