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DIHYDRORUBROSTERONE

Year of first isolation: 1990
Formula:C19H28O5
Molecular weight:336
Occurence in plants:
Lychnis flos-culculi [Caryophyllaceae] » Images of Lychnis flos-culculi Wikipedia: Lychnis flos-culculi [Caryophyllaceae]
Occurence in animals:
 
DIHYDRORUBROSTERONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2O)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(CCC2O)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]2O)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]2O)O)C)C » JSMol: View in 3D
IUPAC Name(2S,3R,5R,9R,10R,13R,14R,17S)-2,3,14,17-tetrahydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN19892-42-3
PubChem CID22213160
InChiKey
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IHVPTRBJWKUCFE-QBCQSLFDSA-N
InChIInChI=1S/C19H28O5/c1-17-9-15(22)14(21)8-12(17)13(20)7-11-10(17)3-5-18(2)16(23)4-6-19(11,18)24/h7,10,12,14-16,21-24H,3-6,8-9H2,1-2H3/t10-,12-,14+,15-,16-,17+,18+,19+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z354 (MH+NH3)+, 337 (MH)+, 319, 303, 301
EI-MS m/z (relative intensity %) 
HR-MS 
FAB-MS m/z337 [M+H] (11), 319 [M+H-H2O] (5), 301 [M+H-2H2O] (4),

CARBON NMR

PROTON NMR

CD3OD
0137.40
0268.68
0368.48
0432.87
0551.88
06206.48
07121.59
08166.90
0935.46
1039.35
1121.34
1231.48
1348.27
1483.37
1529.05 (a)
1629.74 (a)
1779.24
1815.84
1924.45
20 
21 
22 
23 
24 
25 
26 
27 
CD3OD
01-Ha1.44 (dd, 13.6, 4.4)
01-Hb1.80 (dd, 12.4, 3.3)
02-Ha3.83 (ddd, 13, 12)
03-He3.95 (bq, w1/2 = 3)
04-Ha1.73
04-He1.68
05-H2.39 (dd, 12.6, 4.8)
07-H5.78 (d, 2.5)
09-Ha3.15 (ddd, 11.3, 7.2)
11-Ha1.85
11-He1.66
12-Ha2.06
12-He1.60
15-Ha2.08
15-Hb1.61
16-Ha2.27
16-Hb1.58
17-H4.31 (dd, 9.3, 6.5)
18-Me0.71 (s )
19-Me0.98 (s )

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)3365 (OH), 1646 (CO)
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLCNP-HPLC, column Zorbax-Sil 250 mm x 4.6 mm i.d., flow-rate 1 ml.min-1 , solvent CH2Cl2-iPrOH-H2O (125:40:3) Ret 13.4 min (20E : 16.8 min); solvent CH2Cl2-iPrOH-H2O (125:25:2), Ret 22.0 min (20E 37.4 min); solvent cyclohexane-iPrOH-H2O (100:40:3), Ret 20.6 min (23.1 min for the 5beta isomer).

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = >10-5M
Drosophila melanogaster BII cell assay: EC50 = 8.6 x 10-5M

REFERENCES

SynthesisHIKINO, H. et al. (1969) Tetrahedron 15, 3389-3394 Search more
SynthesisCOCHRANE, J.S. et al. (1971) J. Chem. Soc., Chem. Commun. 3730-3732 Search more
First isolationGIRAULT, J.-P. et al. (1990) J. Nat. Prod. 53, 279-293 Search more
GeneralBÁTHORI, M. et al. (2000) Biomed. Chromatogr. 14, 464-467 Search more
BioactivitiesRAVI, M. et al. (2001) J. Chem. Inf. Comput. Sci. 41, 1587-1604 Search more
IdentificationVOKÁČ, K. et al. (2002) Collect. Czech. Chem. Commun. 67, 124-139 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
BioactivitiesHARMATHA, J. et al. (2008) Steroids 73, 466-471 Search more

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