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SIDISTERONE

Year of first isolation: 1996
Formula:C24H32O6
Molecular weight:416
Occurence in plants:
Silene dioica [Caryophyllaceae] » Images of Silene dioica Wikipedia: Silene dioica [Caryophyllaceae]
Silene otites [Caryophyllaceae] » Images of Silene otites Wikipedia: Silene otites [Caryophyllaceae]
Briza maxima [Poaceae] » Images of Briza maxima Wikipedia: Briza maxima [Poaceae]
Occurence in animals:
 
SIDISTERONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C5(C=CC(=O)O5)C)O
Isomeric SMILES
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C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2C1(C)OC(=O)C=C1)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@@]1(C)OC(=O)C=C1)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@]1(C)OC(=O)C=C1)O)C)C » JSMol: View in 3D
IUPAC Name(5S)-5-methyl-5-[(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]furan-2-one
CAS-RN176391-32-5
PubChem CID56601999
InChiKey
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NWSCKDFQLPIHHX-PCSJRHQKSA-N
InChIInChI=1S/C24H32O6/c1-21-12-18(27)17(26)11-15(21)16(25)10-14-13(21)4-7-22(2)19(5-9-24(14,22)29)23(3)8-6-20(28)30-23/h6,8,10,13,15,17-19,26-27,29H,4-5,7,9,11-12H2,1-3H3/t13-,15-,17+,18-,19-,21+,22+,23-,24+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z434 (M+H+NH3)+, 417 (M+H)+, 399 (MH - 18)+
HR-MSHR-EIMS: 416.21978 (M)+ C24H32O6 requires 416.21988

CARBON NMR

PROTON NMR

CD3OD
0137.38
0268.70
0368.49
0432.85
0551.80
06206.20
07122.32
08167.10
0935.07
1039.20
1121.46
1231.92
1348.30
1485.00
1531.56
1622.56
1752.20
1818.16
1924.37
2092.80
2125.17
22163.92
23120.05
24175.50
CD3OD
01-Ha1.43 (t, 12)
01-He1.78
02-Ha3.82 (ddd, 12, 3.5, 3)
03-He3.94 (q, b, w1/2 = 9)
04-Ha1.65
04-He1.75
05-H2.38 (dd, 11.3, 5.4)
07-H5.78 (d, 2.5)
09-Ha3.14 (m, w1/2 = 22)
11-Ha1.65
11-He1.8
12-Ha2.19 (dt, 13, 5)
12-He1.85
15-Ha1.95
15-Hb1.65
16-Ha1.8
16-Hb1.45
17-H2.77 (t, 9.2)
18-Me0.76 (s )
19-Me0.95 (s )
21-Me1.52 (s )
22-H7.76 (d, 5.4)
23-H6.01 (d, 5.4)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)1749 (CO of an ethylenic ?-lactone), 1643 (cyclohexenone).
UV (EtOH) λ max (log ε)240 (4.12)

CHROMATOGRAPHY

HPTLC 
TLC 
GLC)
HPLCNP-HPLC : Zorbax-Sil (250 mm long, 9.4 mm i.d.) Ret 14.0 min (solvent CH2Cl2-iPrOH-H2O 125:25:2, flow-rate 4 ml.min-1); Ret 26.0 min (solvent cyclohexane-iPrOH-H2O 100:40:3)

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = 4.3 x 10-6M

REFERENCES

First isolationGIRAULT, J.-P. et al. (1996) J. Nat. Prod. 59, 522-524 Search more
GeneralSAVCHENKO, T. et al. (1998) Biochem. Syst. Ecol. 26, 781-791 Search more
BioactivitiesDINAN, L. et al. (2005) In: Comprehensive Molecular Insect Science (eds. L. I. Gilbert, C. Iatrou, S. Gill), Elsevier, Oxford, III, 197-242 Search more

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