A new triterpenoid saponin, 23-acetoxy,16α-hydroxy-13,28-epoxyolean-11-en-3β-yl-[β-D- glucopyranosyl-(1 → 2)]-[β-D-glucopyranosil(1 → 3)]-β-D-fucopyranoside, has been isolated from the roots of Bupleurum fruticosum, along with eight coumarins, scopoletin, scoparone, prenyletin, capensin, fraxetin, aesculetin,7-(3-methyl-2-butenyloxy-6-methoxycoumarin, 7-(2-hydroxy-3-methyl-3-butenyloxy)-6-methoxycoumarin and 5,7-dihydroxy-6-methoxy-8-(3-methyl-2-butenyl)coumarin. The last compound has not been previously encountered in nature. The structures were determined by analysis of NMR spectral data including two-dimensional techniques.

Minor constituents from Bupleurum fruticosum roots

PISTELLI, LUISA;BERTOLI, ALESSANDRA;
1996

Abstract

A new triterpenoid saponin, 23-acetoxy,16α-hydroxy-13,28-epoxyolean-11-en-3β-yl-[β-D- glucopyranosyl-(1 → 2)]-[β-D-glucopyranosil(1 → 3)]-β-D-fucopyranoside, has been isolated from the roots of Bupleurum fruticosum, along with eight coumarins, scopoletin, scoparone, prenyletin, capensin, fraxetin, aesculetin,7-(3-methyl-2-butenyloxy-6-methoxycoumarin, 7-(2-hydroxy-3-methyl-3-butenyloxy)-6-methoxycoumarin and 5,7-dihydroxy-6-methoxy-8-(3-methyl-2-butenyl)coumarin. The last compound has not been previously encountered in nature. The structures were determined by analysis of NMR spectral data including two-dimensional techniques.
Pistelli, Luisa; Bertoli, Alessandra; Bilia, A. R.; Morelli, I.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/204177
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