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1. (Article ID: 11644)
Rumbero-Sanchez A, Vazquez P
A nor-triterpene glycoside from Isertia haenkeana and a 13C NMR study of cincholic acid
Phytochemistry 30(2) (1991)
623-626
A new nor-triterpene glycoside, pyrocincholic acid 3β-O-β-6-deoxy-D-glucopyranoside-28-O-β-D-glucopyranoside, was isolated from aerial parts of Isertia haenkeana. Its structure was established on the basis of its spectral data and some chemical transformations. The 13C NMR data are presented for cincholic acid. A comparison with the data reported for quinovic acid is carried out.
leaves, Rubiaceae, 1H and 13C NMR, Isertia haenkeana, 27-nor-olean-13-en-3-hydroxy-28-oic acid glycoside, 27-nor-olean-13-en-3-hydroxy-28-oic acid, 27-nor-urs-13-en-3-hydroxy-28-oic acid
Publication DOI: 10.1016/0031-9422(91)83739-8Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Departamento de Química, Universidad Autónoma de Madrid, Cantoblanco, 28049-Madrid, Spain
Methods: 13C NMR, 1H NMR, IR, alkaline hydrolysis, optical rotation measurement, acetylation, DEPT, sulfuric acid hydrolysis
The publication contains the following compound(s):
- Compound ID: 29945
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b-D-Quip-(1-3)-+
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b-D-Glcp-(1-28)-Subst
Subst = pyrocincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CCC4=C3CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O)C)(C)C)O |
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Structure type: oligomer
Compound class: saponin glycoside
- Compound ID: 29946
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b-D-Quip2Ac3Ac4Ac-(1-3)-+
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b-D-Glcp2Ac3Ac4Ac6Ac-(1-28)-Subst
Subst = pyrocincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CCC4=C3CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: oligomer
Compound class: saponin glycoside
- Compound ID: 29947
|
b-D-Quip-(1-3)-Subst
Subst = pyrocincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CCC4=C3CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: monomer
Compound class: saponin glycoside
- Compound ID: 29948
|
b-D-Quip2Ac3Ac4Ac-(1-3)-Subst
Subst = pyrocincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CCC4=C3CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: monomer
Compound class: saponin glycoside
- Compound ID: 29949
|
b-D-Quip-(1-3)-+
|
b-D-Glcp-(1-28)-Subst
Subst = cincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CC=C4[C@]3(CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O){27}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: oligomer
C42H66O14
Compound class: saponin glycoside
- Compound ID: 29950
|
b-D-Quip2Ac3Ac4Ac-(1-3)-+
|
b-D-Glcp2Ac3Ac4Ac6Ac-(1-28)-Subst
Subst = cincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CC=C4[C@]3(CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O){27}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: oligomer
Compound class: saponin glycoside
- Compound ID: 29951
|
b-D-Quip-(1-3)-Subst
Subst = cincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CC=C4[C@]3(CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O){27}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: monomer
Compound class: saponin glycoside
- Compound ID: 29952
|
b-D-Quip2Ac3Ac4Ac-(1-3)-Subst
Subst = cincholic acid = SMILES C[C@]12CC{3}[C@@H](C([C@@H]1CC[C@@]3([C@@H]2CC=C4[C@]3(CC[C@@]5([C@H]4CC(CC5)(C)C){28}C(=O)O){27}C(=O)O)C)(C)C)O |
Show graphically |
Structure type: monomer
Compound class: saponin glycoside
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