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PODECDYSONE B 25-O-β-D-GLUCOSIDE

Year of first isolation: 1988
Formula:C33H52O11
Molecular weight:624
Occurence in plants:
Pfaffia iresinoides [Amaranthaceae] » Images of Pfaffia iresinoides Wikipedia: Pfaffia iresinoides [Amaranthaceae]
Occurence in animals:
 
PODECDYSONE B 25-O-β-D-GLUCOSIDE

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)CC1=C2CC[C@]2(C1=CC[C@@H]2[C@@]([C@@H](CCC(C)(C)O[C@H]1C(C([C@@H](C(O1)CO)O)O)O)O)(C)O)C)C » JSMol: View in 3D
IUPAC Name(2S,3R,5R,10S,13R,17S)-17-((2R,3R)-2,3-dihydroxy-6-methyl-6-(((2S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)heptan-2-yl)-2,3-dihydroxy-10,13-dimethyl-1,2,3,4,5,7,10,11,12,13,16,17-dodecahydro-6H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
OGSPMXRKDOGBCR-QGPSJLLLSA-N
InChIInChI=1S/C33H52O11/c1-30(2,44-29-28(41)27(40)26(39)23(15-34)43-29)10-9-25(38)33(5,42)24-7-6-17-16-12-20(35)19-13-21(36)22(37)14-32(19,4)18(16)8-11-31(17,24)3/h6,19,21-29,34,36-42H,7-15H2,1-5H3/t19-,21+,22-,23?,24-,25+,26+,27?,28?,29-,31-,32+,33+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
FAB-MS m/z625 (M+H)+
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
0138.5
0269.6
0368.3
0432.9
0553.6
06212.4
0739.4
08122.8
09136.3
1043.6
1123.0
1237.4
1346.7
14148.9
15119.6
1631.5
1756.9
1818.7
1929.5
2076.3
2120.8
2277.7
2326.6
2440.0
2577.4
2627.5
2727.6
s-1'98.9
s-2'75.4
s-3'78.8
s-4'72.1
s-5'78.6
s-6'63.5
C5D5N
01-Ha 
01-Hb 
02-Ha 
03-He4.47 (br s )
04-Ha 
04-He 
05-H3.05 (dd, 12.4, 4.0)
07-H2.89, 3.40 (br d, 21)
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-H5.44 (br s )
16-Ha3.02 (br dd, 16.0, 10.4)
16-Hb 
17-H2.89 (t, 9.0)
18-Me1.34 (s )
19-Me1.06 (s )
21-Me1.54 (s )
22-H3.84 (br d, 7.8)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me1.42 (s )
27-Me1.47 (s )
H-1'5.02 (d, 7.4)

PHYSICAL PROPERTIES

M.P. 
[α]D15- 18.9 ° (c 1.1; MeOH)
IR (KBr) ν max (cm-1)3400 (OH), 1710, 1650 (cyclohexenone)
UV (EtOH) λ max (log ε)244 (4.12)

CHROMATOGRAPHY

LC on silicasolvent CHCl3-MeOH-EtOAc-H2O (2:2:4:1, lower phase)
HPTLC 
TLCRf 0.32 (CHCl3-MeOH-H2O, 13:7:2, lower phase)
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationNISHIMOTO, N. et al. (1988) Phytochemistry 27, 1665-1668 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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