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1. (Article ID: 11567)
Wang M, Cai H, Peng S, Ding L, Wu F, Chen Y
Triterpenoid saponins from Berneuxia thebetica
Phytochemistry 48(8) (1998)
1411-1414
Four triterpenoid saponins were isolated from Berneuxia thibetica. On the basis of chemical and spectroscopic evidence, three new saponins, berneuxia saponins A, B and C, were elucidated as 21-tigloylbarringtogenol C- 3β-O-α-L-rhamnopyranosyl(1 → 2)-β-D-galactopyranosyl(l → 3)[β-D- glucopyranosyl (1 → 2)-β-D-glucuronopyranoside], 28-tigloylbarringtogenol C-3β-O-α-L-rhamnopyranosyl(1 → 2)-β-D-galactopyranosyl(1 → 3)[β-D- glucopyranosyl(1 → 2)-β-D-glucuronopyranoside] and 16α-28-dihydroxyolean- 12-en-21-one-3-O-α-L-rhamnopyranosyl(1 → 2)-β-D-galactopyranosyl(1 → 3)[β-D-glucopyranosyl(1 → 2)-β-D-glucuronopyranoside]. The known saponin was desacyl jegosaponin.
C, triterpenoid saponins, B, berneuxia saponins A, Berneuxia thibetica, desacyl jegosaponin, diapensiaceae
NCBI PubMed ID: 9720318Publication DOI: 10.1016/S0031-9422(97)00850-9Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Department of Chemistry, Zhejiang University, Hangzhou, China, Laboratory of Natural Materia Medica, Chengdu Institute of Biology, Chengdu, China
Methods: 13C NMR, 1H NMR, EI-MS, FAB-MS, acid hydrolysis, extraction, optical rotation measurement, CC
The publication contains the following compound(s):
- Compound ID: 29714
|
Tig-(1-21)-+
|
b-D-Glcp-(1-2)-+ |
| |
a-L-Rhap-(1-2)-b-D-Galp-(1-3)-b-D-GlcpA-(1-3)-Subst
Subst = barringtogenol C = SMILES C[C@]12CC{3}[C@H](O)C(C)(C)C1CC[C@]3(C)C2CC=C4[C@@]3(C)C{16}[C@@H](O)[C@]5({28}CO)[C@H]4CC(C)(C){21}[C@@H](O){22}[C@@H]5O |
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Structure type: oligomer
; 1219 [M+H]+
C59H94O26
Trivial name: berneuxia saponin A
Compound class: triterpenoid glycoside
- Compound ID: 29715
|
Tig-(1-21)-+
|
b-D-Glcp-(1-2)-b-D-GlcpA-(1-3)-Subst
Subst = barringtogenol C = SMILES C[C@]12CC{3}[C@H](O)C(C)(C)C1CC[C@]3(C)C2CC=C4[C@@]3(C)C{16}[C@@H](O)[C@]5({28}CO)[C@H]4CC(C)(C){21}[C@@H](O){22}[C@@H]5O |
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Structure type: oligomer
Trivial name: berneuxia saponin A
Compound class: triterpenoid glycoside
- Compound ID: 29716
|
Tig-(1-28)-+
|
b-D-Glcp-(1-2)-+ |
| |
a-L-Rhap-(1-2)-b-D-Galp-(1-3)-b-D-GlcpA-(1-3)-Subst
Subst = barringtogenol C = SMILES C[C@]12CC{3}[C@H](O)C(C)(C)C1CC[C@]3(C)C2CC=C4[C@@]3(C)C{16}[C@@H](O)[C@]5({28}CO)[C@H]4CC(C)(C){21}[C@@H](O){22}[C@@H]5O |
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Structure type: oligomer
; 1217 [M-H]-
C59H94O26
Trivial name: berneuxia saponin B
Compound class: triterpenoid glycoside
- Compound ID: 29717
|
b-D-Glcp-(1-2)-+
|
a-L-Rhap-(1-2)-b-D-Galp-(1-3)-b-D-GlcpA-(1-3)-Subst
Subst = armillarigenin = SMILES C[C@@]5(C)CC4/C3=C/CC2[C@@]1(C)CC{3}[C@H](O)[C@](C)(C)C1CC[C@@]2(C)[C@]3(C)C{16}[C@@H](O)[C@@]4({28}CO)CC5=O |
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Structure type: oligomer
; 1141 [M+Na]+
C54H86O24
Trivial name: berneuxia saponin C
Compound class: triterpenoid glycoside
- Compound ID: 29718
|
b-D-Glcp-(1-2)-+
|
a-L-Rhap-(1-2)-b-D-Galp-(1-3)-b-D-GlcpA-(1-3)-Subst
Subst = barringtogenol C = SMILES C[C@]12CC{3}[C@H](O)C(C)(C)C1CC[C@]3(C)C2CC=C4[C@@]3(C)C{16}[C@@H](O)[C@]5({28}CO)[C@H]4CC(C)(C){21}[C@@H](O){22}[C@@H]5O |
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Structure type: oligomer
; 1135 [M-H]-
C54H88O25
Trivial name: jegosaponin
Compound class: triterpenoid glycoside
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