Roots of Cynanchum caudataum afforded 15 pregnane glycosides which had cynanchogenin, caudatin and gagaminin as the aglycone moiety and 2,6-dideoxy-3-O-methylhexopyranoses and glucopyranose as component sugars. The structures of these compounds were elucidated by spectroscopic methods and from chemical evidence.
2, glucopyranose, roots, Asclepiadaceae, Cynanchum caudatum, 6-dideoxy-3-O-methylhexopyranose, esterified pregnane glycoside
Publication DOI: 10.1016/S0031-9422(96)00640-1Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52-1 Yada, Shizuoka 422, Japan
Methods: 13C NMR, 1H NMR, NMR-2D, FAB-MS, sugar analysis, enzymatic hydrolysis, acid hydrolysis, GC, chemical methods, NMR-1D, HPLC, extraction
Found