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OSLADIN

Year of first isolation: 1971
Formula:C45H74O17
Molecular weight:886
Occurence in plants:
Polypodium vulgare [Polypodiaceae] » Images of Polypodium vulgare Wikipedia: Polypodium vulgare [Polypodiaceae]
Occurence in animals:
 
OSLADIN

STRUCTURE DESCRIPTORS

Canonical SMILESCC1CCC(OC1OC2C(C(C(C(O2)C)O)O)O)C(C)C3CCC4C3(CCC5C4CC(=O)C6C5(CCC(C6)OC7C(C(C(C(O7)CO)O)O)OC8C(C(C(C(O8)C)O)O)O)C)C
Isomeric SMILES
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C1[C@]4([C@H](C[C@H](C1)O[C@H]2C(C([C@@H](C(O2)CO)O)O)O[C@H]3C(C([C@H](C(O3)C)O)O)O)C(=O)C[C@@H]5[C@@H]4CC[C@]6([C@H]5CC[C@@H]6[C@H](C)[C@H]7CC[C@@H]([C@H](O7)O[C@H]8C(C([C@H](C(C8)C)O)O)O)C)C)C » JSMol: View in 3D
IUPAC Name(3S,5S,8S,9S,10R,13S,14S)-3-[(2R,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-10,13-dimethyl-17-[(1S)-1-[(5R,6R)-5-methyl-6-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]ethyl]-1,2,3,4,5,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-6-one
CAS-RN33650-66-7
PubChem CID441890
InChiKey
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QZOALWMSYRBZSA-XSAMIUIESA-N
InChIInChI=1S/C45H74O17/c1-18-7-10-29(59-40(18)62-42-38(55)35(52)32(49)21(4)57-42)19(2)24-8-9-25-23-16-28(47)27-15-22(11-13-45(27,6)26(23)12-14-44(24,25)5)58-43-39(36(53)33(50)30(17-46)60-43)61-41-37(54)34(51)31(48)20(3)56-41/h18-27,29-43,46,48-55H,7-17H2,1-6H3/t18-,19+,20+,21+,22+,23+,24?,25+,26+,27-,29?,30-,31+,32+,33-,34-,35-,36+,37-,38-,39-,40-,41+,42+,43-,44-,45-/m1/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %), data for the aglycone432 (M)+ (1.8), 416 (M-18)+ (61), 345 (26), 317 (63), 299 (38), 287 (84), 126 (77), 115 (56), 97 (100)
HR-FAB-MS909 (M+Na)

CARBON NMR

PROTON NMR

C5D5N
0136.8
0229.4
0376.2
0426.5
0556.3
06209.6
0746.8
0836.5
0953.8
1040.9
1127.3
1239.7
1343.2
1456.4
1524.1
1621.6
1752.8
1813.1
1911.9
2040.1
2113.7
2278.3
2323.9
2431.5
2537.8
26107.3
2716.7
2x[rha]1102.1 / 101.9
2x[rha]272.5 / 72.2
2x[rha]372.8 / 72.8
2x[rha]474.1 / 74.0
2x[rha]569.5 / 70.7
2x[rha]618.7 / 18.4
[glu]199.6
[glu]278.2
[glu]379.5
[glu]472.0
[glu]578.3
[glu]662.8
C5D5N
01-He1.02 / 1.59
02-Ha2.09 / 1.80
03-He4.0
04-Ha2.49
04-He1.94
05-H2.01
07-H2.00 / 2.37
09-Ha1.10
11-Ha1.57
11-He1.20
12-Ha1.89
12-He1.08
15-Ha0.94
15-Hb1.41
16-Ha1.20
16-Hb1.46
17-H1.10
18-Me0.78
19-Me0.56
20-H1.87
21-Me1.03
22-H3.46
23-Ha1.32
23-Hb1.32
24-Ha1.76
24-Hb1.13
26-Me4.48
27-Me0.92
2x[rha]16.36 / 5.67
2x[rha]24.80 / 4.63
2x[rha]34.66 / 4.56
2x[rha]44.35 / 4.32
2x[rha]54.98 / 4.67
2x[rha]61.80 / 1.71
[glu]15.08
[glu]24.27
[glu]34.27
[glu]44.14
[glu]53.92
[glu]64.36 / 4.57

PHYSICAL PROPERTIES

M.P.198-199 °C
[α]D20-36.2° (c 2.0 , EtOH)
IR (Nujol) ν max (cm-1)3400 (OH), 1704 (CO)
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationJIZBA, J. et al. (1971) Tetrahedron Lett. 12, 1329-1332 Search more
IdentificationYAMADA, H et al. (1992) Tetrahedron Lett. 33, 4009-4010 Search more
SynthesisYAMADA, H et al. (1995) J. Org. Chem. 60: 386-397 Search more

see Important notice
© Université Pierre & Marie Curie, Paris 6, France
© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
© Institut National de la Recherche Agronomique, Versailles, France
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