Novel Saponins Hainaneosides A and B Isolated from Marsdenia hainanensis
- Resource Type
- Authors
- Wei-Pei Ding; Houming Wu; Baoxia Ma; Tianzheng Fang; Changsong Jiang; Kan Ma; Jiahong Ni
- Source
- Journal of Natural Products. 60:134-138
- Subject
- Magnetic Resonance Spectroscopy
Stereochemistry
Female sterilization
Marsdenia
Saponin
Pharmaceutical Science
Spectrometry, Mass, Fast Atom Bombardment
Pharmacognosy
Analytical Chemistry
chemistry.chemical_compound
Drug Discovery
Animals
Tetrasaccharide
Oleanolic Acid
Oleanolic acid
Pharmacology
chemistry.chemical_classification
Abortifacient Agents, Nonsteroidal
biology
Organic Chemistry
Nuclear magnetic resonance spectroscopy
Plants
Saponins
biology.organism_classification
Rats
Complementary and alternative medicine
chemistry
Molecular Medicine
Hainaneoside B
- Language
- ISSN
- 1520-6025
0163-3864
Novel saponins possessing fertility-regulating activity, hainaneosides A (1) and B (2), have been isolated from the twigs and stems of Marsdenia hainanensis, and their structures have been elucidated unambiguously as 12-nicotinoyl sarcostin-3-O-beta-D-glucopyranosyl-(1-->4)-3-O-methyl-6-deoxy-bet a-D- allopyranosyl-(1-->4)-beta-D-oleandropyranosyl-(1-->4)-beta-D- cymaropyranosyl-(1-->4)-beta-D-cymaropyranoside and 12-nicotinoyl-20-cinnamoyl sarcostin-3-O-beta-D-glucopyranosyl-(1-->4)-3-O-methyl-6-deoxy-bet a-D- allopyranosyl-(1-->4)-beta-D-oleandropyranosyl-(1-->4)-beta-D-c ymaropyranoside using NMR spectroscopic techniques and chemical transformations.