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1. (Article ID: 11745)
Sang S, Lao A, Wang H, Chen Z
Furostanol saponins from Allium tuberosum
Phytochemistry 52(8) (1999)
1611-1615
Three new furostanol saponins, tuberoside A, B and C, have been isolated from the seeds of Allium tuberosum. On the basis of chemical reactions and spectral data, their structures were established as 26-O-β-D-glucopyranosyl-(25S)-5α-furost-20(22)-ene-2α,3β,26-triol 3-O-α-L-rhamnopyranosyl-(1→2)-O-β-D-glucopyranoside; 26-O-β-D-glucopyranosyl-(25S)-5α-furost-20(22)-ene-2α,3β,26-triol 3-O-α-L-rhamnopyranosyl-(1→2)-[α-L-rhamnopyranosyl-(1→4)]-β-D-glucopyranoside and 26-O-β-D-glucopyranosyl-(25S)-5α-furost-20(22)-ene-2α,3β,26-triol 3-O-α-L-rhamnopyranosyl-(1→2)-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranoside, respectively.
Liliaceae, furostanol saponins, Allium tuberosum, tuberoside A B C
Publication DOI: 10.1016/S0031-9422(99)00312-XJournal NLM ID: 0151434Publisher: Elsevier
Correspondence: Lao A
shcnc.ac.cn>
Institutions: Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 200031, China
Methods: 13C NMR, 1H NMR, IR, FAB-MS, TLC, ESI-MS, GLC, optical rotation measurement, acetylation, TOCSY, reduction with NaBH4, HMBC, HMQC, DEPT, COSY, HCl hydrolysis, TFA hydrolysis
The publication contains the following compound(s):
- Compound ID: 30280
|
b-D-Glcp-(1-26)-+
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a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst
Subst = 25S-5α-furost-20(22)-ene-2α,3β,26-triol = SMILES [H][C@]1(OC(CC[C@H](C){26}CO)=C2C)C[C@@]3([H])[C@]4([H])CC[C@@]5([H])C{3}[C@@H](O){2}[C@H](O)C[C@]5(C)[C@@]4([H])CC[C@]3(C)[C@]12[H] |
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Structure type: oligomer
; 903 [M+H]+
C45H74O18
Trivial name: tuberoside A
Compound class: saponin glycoside
- Compound ID: 30281
|
b-D-Glcp-(1-26)-+
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a-L-Rhap-(1-4)-+ |
| |
a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst
Subst = 25S-5α-furost-20(22)-ene-2α,3β,26-triol = SMILES [H][C@]1(OC(CC[C@H](C){26}CO)=C2C)C[C@@]3([H])[C@]4([H])CC[C@@]5([H])C{3}[C@@H](O){2}[C@H](O)C[C@]5(C)[C@@]4([H])CC[C@]3(C)[C@]12[H] |
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Structure type: oligomer
; 1049 [M+H]+
C51H84O22
Trivial name: tuberoside B
Compound class: saponin glycoside
- Compound ID: 30282
|
b-D-Glcp-(1-26)-+
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b-D-Glcp-(1-3)-+ |
| |
a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst
Subst = 25S-5α-furost-20(22)-ene-2α,3β,26-triol = SMILES [H][C@]1(OC(CC[C@H](C){26}CO)=C2C)C[C@@]3([H])[C@]4([H])CC[C@@]5([H])C{3}[C@@H](O){2}[C@H](O)C[C@]5(C)[C@@]4([H])CC[C@]3(C)[C@]12[H] |
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Structure type: oligomer
; 1088 [M+Na]+
C51H84O23
Trivial name: tuberoside C
Compound class: saponin glycoside
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2. (Article ID: 11824)
Sang S, Lao A, Wang H, Chen Z
Two new spirostanol saponins from Allium tuberosum
Journal of Natural Products 62(7) (1999)
1028-1029
Two new spirostanol saponins, tuberosides D and E, have been isolated from the seeds of Allium tuberosum. On the basis of spectral data and chemical reactions, their structures were established as (25S)-5α-spirostane-2α,3β-diol 3-O-α-L-rhamnopyranosyl-(1→2)-O-[α-L-rhamnopyranosyl-(1→4)]-O-β-D-glucopyranoside and (25S)-5α-spirostan-2α,3β-diol 3-O-β-D-glucopyranosyl-(1→2)-O-[α-L-rhamnopyranosyl-(1→4)]-O-β-D-glucopyranoside, respectively.
spirostanol saponin, Allium tuberosum, tuberoside D, tuberoside E
NCBI PubMed ID: 10425134Publication DOI: 10.1021/np980486lJournal NLM ID: 7906882Publisher: American Society of Pharmacognosy
Institutions: hanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 200031, China
Methods: 13C NMR, 1H NMR, IR, FAB-MS, TLC, GLC, optical rotation measurement, TOCSY, reduction with NaBH4, HMBC, HMQC, DEPT, COSY, TFA hydrolysis
The publication contains the following compound(s):
- Compound ID: 30567
|
a-L-Rhap-(1-4)-+
|
a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst
Subst = neogitogenin = SMILES C[C@@H]1[C@]2(OC[C@@H](C)CC2)O[C@@]3([H])C[C@@]4([H])[C@]5([H])CC[C@@]6([H])C{3}[C@@H](O){2}[C@H](O)C[C@]6(C)[C@@]5([H])CC[C@]4(C)[C@]31[H] |
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Structure type: oligomer
; 887 [M+H]+
C45H74O17
Trivial name: tuberoside D
Compound class: saponin glycoside
- Compound ID: 30568
|
b-D-Glcp-(1-4)-+
|
a-L-Rhap-(1-2)-b-D-Glcp-(1-3)-Subst
Subst = neogitogenin = SMILES C[C@@H]1[C@]2(OC[C@@H](C)CC2)O[C@@]3([H])C[C@@]4([H])[C@]5([H])CC[C@@]6([H])C{3}[C@@H](O){2}[C@H](O)C[C@]6(C)[C@@]5([H])CC[C@]4(C)[C@]31[H] |
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Structure type: oligomer
; 903 [M+H]+
C45H74O18
Trivial name: tuberoside E
Compound class: saponin glycoside
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