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1999•Chemical and Pharmaceutical BulletinOpen access

New Polyhydroxylated Steroidal Sapogenin and Saponin from the Leaves of Cestrum sendtenerianum.

Mitsue Haraguchi, Mário Motidome, Hiroshi Morita, Koichi Takeya, Hideji Itokawa, Yoshihiro Mimaki, Yutaka Sashida

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Abstract

New Polyhydroxylated spirostanol sapogenin (1) and saponin (2) were isolated from the leaves of Cestrum sendtenerianum (Solanaceae). Their Structures were determined to be spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol (1) and spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol 3-O-β-D-galactopyranoside (2), respectively, on the basis of spectroscopic analysis, including two-dimensional NMR techniques, and the result of hydrolytic cleavage.

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New Polyhydroxylated spirostanol sapogenin (1) and saponin (2) were isolated from the leaves of Cestrum sendtenerianum (Solanaceae). Their Structures were determined to be spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol (1) and spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol 3-O-β-D-galactopyranoside (2), respectively, on the basis of spectroscopic analysis, including two-dimensional NMR techniques, and the result of hydrolytic cleavage.

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Available abstract

New Polyhydroxylated spirostanol sapogenin (1) and saponin (2) were isolated from the leaves of Cestrum sendtenerianum (Solanaceae). Their Structures were determined to be spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol (1) and spirosta-5, 25(27)-diene-1β, 2α, 3β, 12β-tetrol 3-O-β-D-galactopyranoside (2), respectively, on the basis of spectroscopic analysis, including two-dimensional NMR techniques, and the result of hydrolytic cleavage.

Key concepts: Sapogenin, Saponin, Chemistry, Hydrolysis, Glycoside, Stereochemistry, Cleavage (geology), Botany

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New Polyhydroxylated Steroidal Sapogenin and Saponin from the Leaves of Cestrum sendtenerianum. — Research Paper | ScholarLens