Citation: Jian Ming JIN, Xi Kui LIU, Rong Wei TENG, Chong Ren YANG. Two New Steroidal Glycosides from Fermented Leaves of Agave americana[J]. Chinese Chemical Letters, ;2002, 13(7): 629-632. shu

Two New Steroidal Glycosides from Fermented Leaves of Agave americana

Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204

Received Date: 28 September 2001

Fund Project: This work was financially supported by the National Natural Science Foundation of China (NSFC) (39969005). The authors wish to thanks the members of analytic group of Laboratory of Phytochemistry, Kunming Institute of Botany for spectral measurements.

Two new spirostanol glycosides named agamenoside A and B, were isolated from the fcrmcnted leaves of Agave americana. Their structures were elucidated as (23S, 25R)-5α-spirostan-3β, 6α, 23-triol 3-O-α-L-rhamnopyranosyl-(1→3)-β-D-glucopyranosyl-(l→2)-[β-D-xylopyranosyl-(1→3)]-β-D-glucopyranosyl-(l→4)-β-D-galactopyranoside (1) and (25R)-5α-spiro stan-3β, 6α-diol 3-O-β-D-glucopyranosyl-(l→2)-[β-D-xylopyranosyl-(l→3)]-β-D-glucopyra nosyl-(1→4)-β-D-galactopyranoside (2) by a combination of chemical and spectral methods.
- Agave americana L.,
- steroidal glycosides,
- agamenosides
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