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20-HYDROXYECDYSONE 2,3-DIACETATE 22-BENZOATE

Year of first isolation: 2011
Formula:C38H52O10
Molecular weight:668
Occurence in plants:
Silene guntensis [Caryophyllaceae] » Images of Silene guntensis Wikipedia: Silene guntensis [Caryophyllaceae]
Occurence in animals:
 
20-HYDROXYECDYSONE 2,3-DIACETATE 22-BENZOATE

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@@H]4[C@](C)([C@H](OC(C5=CC=CC=C5)=O)CCC(C)(O)C)O)=O)([H])C[C@@H](OC(C)=O)[C@@H](OC(C)=O)C1 » JSMol: View in 3D
IUPAC Name(2S,3R,5R,9R,10R,13R,14S,17S)-17-((2R,3R)-3-(benzoyloxy)-2,6-dihydroxy-6-methylheptan-2-yl)-14-hydroxy-10,13-dimethyl-6-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-2,3-diyl diacetate
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
MHPGKCQURSRWKT-LPIOKBLBSA-N
InChIInChI=1S/C38H52O10/c1-22(39)46-29-20-27-28(41)19-26-25(35(27,5)21-30(29)47-23(2)40)13-17-36(6)31(14-18-38(26,36)45)37(7,44)32(15-16-34(3,4)43)48-33(42)24-11-9-8-10-12-24/h8-12,19,25,27,29-32,43-45H,13-18,20-21H2,1-7H3/t25?,27-,29+,30-,31-,32+,35+,36+,37+,38+/m0/s1

MASS SPECTRUM

HR-MS
EI-MS m/z (relative intensity %)
CI-MS (NH3) m/z

CARBON NMR

PROTON NMR

C5D5N
0133.949
0268.843
0368.843
0431.597
0551.216
06203.42
07121.1
08165.822
0934.131
1038.193
1121.179
1231.597
1347.817
1483.68
1531.32
1625.889
1750.162
1817.466
1922.089
2-CH3CO23.662, 169.834
2076.137
2120.757
2280.891
2329.005
2441.403
2568.843
2629.762
2729.296
3-CH3CO23.662, 169.834
Bz: 1'131.372
Bz: 2'129.661
Bz: 3'128.373
Bz: 4'132.588
Bz: 5'128.373
Bz: 6'129.661
CO166.623
C5D5N
01-Ha 
01-He 
02-Ha5.656
03-He5.678
04-Ha 
04-He 
05-H2.504
07-H6.346
09-H3.48
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.92
18-Me1.065 (s)
19-Me0.942 (s)
2-CH3CO1.926 (s)
21-Me1.643 (s)
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.216 (s)
27-Me1.211 (s)
3-CH3CO1.895 (s)
Bz: 2'-H8.134
Bz: 3'-H7.08
Bz: 4'-H7.235
Bz: 5'-H7.08
Bz: 6'-H8.134

PHYSICAL PROPERTIES

M.P.°C ;
[α]D20° (c ; MeOH)
IR (KBr) ν max (cm-1)
UV (EtOH) λ max (log ε)() ;

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationMAMADALIEVA, N.Z. et al. (2011) Z. Naturforsch. 66c, 215-224 Search more

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© 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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