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1. (Article ID: 11970)
Abe F, Yamauchi T
5,11-epoxymegastigmanes from the leaves of Asclepias fruticosa
Chemical and Pharmaceutical Bulletin 48(12) (2000)
1908-1911
Five new megastigmane glucosides and one of their aglycones were isolated, along with (6S,9R)-roseoside, from the polar fraction of the leaves of Asclepias fruticosa, and the structures were determined by spectroscopic methods. Most of them have an epoxy-linkage between C-5 and C-11. The configurations at C-3 and C-9 for each compound were confirmed to be S and R, respectively, by application of the modified Mosher's method.
5, Asclepiadaceae, 11-epoxymegastigmane, ascleposide, Asclepias fruticosa
NCBI PubMed ID: 11145142Publication DOI: 10.1248/cpb.48.1908Journal NLM ID: 0377775Publisher: Pharmaceutical Society Of Japan
Correspondence: abefumi
fukuoka-u.ac.jp
Institutions: Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan
Methods: 13C NMR, 1H NMR, NMR-2D, TLC, enzymatic hydrolysis, extraction, optical rotation measurement, CC, evaporation, HR-FAB-MS
The publication contains the following compound(s):
- Compound ID: 26431
|
b-D-Glcp-(1-9)-Subst
Subst = vomifoliol = SMILES O=C1CC(C)({6}[C@@](C(C)=C1)(O)/C=C/{9}[C@@H](C)O)C |
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Structure type: monomer
C19H30O8
Trivial name: (6S,9R)-roseoside, roseoside, (6S,9R)-releoside
Compound class: saponin glycoside, glycoside
Reference(s) to other database(s): CCSD:
50060, CBank-STR:971
- Compound ID: 31115
|
b-D-Glcp-(1-3)-Subst
Subst = ascleposide A aglycon = SMILES C{9}[C@@H](O)/C=C/{6}[C@]1(O)[C@]2(C)C{3}[C@H](O)C[C@@]1(C)OC2 |
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Structure type: monomer
; 427.1943 [M+Na]+
C19H32O9
Trivial name: ascleposide A
Compound class: glycoside
- Compound ID: 31116
|
b-D-Glcp-(1-3)-Subst
Subst = ascleposide B aglycon = SMILES C{9}[C@@H](O)/C=C/{6}[C@]1(O)[C@]2(C)C{3}[C@H](O)C[C@@]1(C)OC2=O |
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Structure type: monomer
; 441.1737 [M+Na]+
C19H30O10
Trivial name: ascleposide B
Compound class: glycoside
- Compound ID: 31117
|
b-D-Glcp-(1-3)-Subst
Subst = ascleposide C aglycon = SMILES C{9}[C@@H](O)/C=C/[C@@H]1[C@]2(C)C{3}[C@H](O)C[C@@]1(C)OC2 |
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Structure type: monomer
; 411.1992 [M+Na]+
C19H32O8
Trivial name: ascleposide C
Compound class: glycoside
- Compound ID: 31118
|
b-D-Glcp-(1-3)-Subst
Subst = ascleposide D aglycon = SMILES C{9}[C@@H](O)CC[C@@H]1[C@]2(C)C{3}[C@H](O)C[C@@]1(C)OC2 |
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Structure type: monomer
; 413.2161 [M+Na]+
C19H34O8
Trivial name: ascleposide D
Compound class: glycoside
- Compound ID: 31119
|
b-D-Glcp-(1-3)-Subst
Subst = ascleposide E aglycon = SMILES CC(CC[C@@H]1[C@]2(C)C{3}[C@H](O)C[C@@]1(C)OC2)=O |
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Structure type: monomer
; 411.1992 [M+Na]+
C19H32O8
Trivial name: ascleposide E
Compound class: glycoside
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2. (Article ID: 12671)
Seibt U, Kasang G, Wickler W
Suggested pharmacophagy of the African bushhopper Phymateus leprosus (Fabricius) (Pyrgomorphidae, Orthoptera)
Zeitschrift für Naturforschung. C, Journal of Biosciences 55(5-6) (2000)
442-448
The bushhopper Phymateus leprosus (Fabricius) in the field shows a special appetite for the milkweed Asclepias fruticosa. Asclepiadaceae, like Apocynaceae and Scrophulariaceae, contain cardiac glycosides. Raw and purified extracts of these plants phagostimulate larval and adult P. leprosus. We also screened natural and half-synthetic compounds found in those plant extracts. While saponins and sapogenins did not stimulate the animals, many cardiac glycosides and aglycones, offered on filter paper, proved to be phagostimulants.
cardiac glycosides, African bushhopper, phagostimulants
NCBI PubMed ID: 10928557Publication DOI: 10.1515/znc-2000-5-621Journal NLM ID: 8912155Publisher: Verlag der Zeitschrift für Naturforschung
Correspondence: Gerhard.Kasang
t-online.de
Institutions: Max-Planck-Institut für Verhaltensphysiologie, Seewiesen, Germany
The publication contains the following compound(s):
- Compound ID: 32870
|
a-L-6dTalp3Me-(1-3)-Subst
Subst = acovenosigenin = SMILES O{3}[C@H]1C{1}[C@H](O)[C@]2(C)[C@@]3([H])CC[C@]4(C)[C@@H](C(CO5)=CC5=O)CC{14}[C@]4(O)[C@]3([H])CC[C@@]([H])2C1 |
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Structure type: monomer
Compound class: glycoside
- Compound ID: 32871
|
a-L-Rhap-(1-3)-Subst
Subst = ouabagenin = SMILES O{3}[C@H]1C{1}[C@@H](O)[C@]2({23}CO)[C@@H]3[C@H]({14}[C@@]4(O)CC[C@H](C5=CC(OC5)=O)[C@@]4(C)C{11}[C@H]3O)CC{5}[C@]2(O)C1 |
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Structure type: monomer
Compound class: glycoside
- Compound ID: 32872
|
a-L-Rhap-(1-3)-Subst
Subst = strophanthidin = SMILES C[C@]12CC[C@H]3[C@@H](CC{5}[C@@]4(O)[C@]3(C=O)CC{3}[C@H](O)C4){14}[C@@]1(O)CC[C@@H]2C5=CC(OC5)=O |
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Structure type: monomer
Compound class: glycoside
- Compound ID: 32873
|
b-D-Glcp-(1-3)-+
|
b-D-Glcp-(1-2)-b-D-GlcpA-(1-3)-Subst
Subst = escinol aglycon = SMILES C[C@]12CC{3}[C@H](O)[C@](C)({24}CO)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
Compound class: glycoside
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