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Pregnane and pregnane glycosides from the Malagasy plant, Cynanchum aphyllum
Tripetch Kanchanapoom1, Ryoji Kasai, Kazuhiro Ohtani
1Division of Medicinal Chemistry, Graduate School of Biochemical Sciences, Hiroshima University, Hiroshima, Japan.
Chemical & Pharmaceutical Bulletin
|August 23, 2002
Abstract:
A new 8,14-seco-pregnane type of steroid called cynaphyllogenin and its eight glycosides, cynaphyllosides A-H, were isolated from the aerial parts of Cynanchum aphyllum. The structures of these compounds were elucidated based on chemical and spectroscopic evidence.