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11α-HYDROXYECDYSONE

Year of first isolation: 1992
Formula:C27H44O7
Molecular weight:480
Occurence in plants:
Vitex strickeri [Lamiaceae (alt. Labiatae)] » Images of Vitex strickeri Wikipedia: Vitex strickeri [Lamiaceae (alt. Labiatae)]
Occurence in animals:
 
11α-HYDROXYECDYSONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C1CCC2(C1(CC(C3C2=CC(=O)C4C3(CC(C(C4)O)O)C)O)C)O)C(CCC(C)(C)O)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]2[C@@H](C[C@]2([C@]1(CC[C@@H]2[C@H](C)[C@@H](CCC(C)(C)O)O)O)C)O)C » JSMol: View in 3D
IUPAC Name(2S,3R,5R,9R,10R,11R,13R,14S,17R)-17-[(2S,3R)-3,6-dihydroxy-6-methylheptan-2-yl]-2,3,11,14-tetrahydroxy-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID101618910
InChiKey
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DXGPJKXCWRHUMH-VJQXMUGRSA-N
InChIInChI=1S/C27H44O7/c1-14(18(28)7-8-24(2,3)33)15-6-9-27(34)17-11-19(29)16-10-20(30)21(31)12-25(16,4)23(17)22(32)13-26(15,27)5/h11,14-16,18,20-23,28,30-34H,6-10,12-13H2,1-5H3/t14-,15+,16-,18+,20+,21-,22+,23+,25-,26+,27+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
FAB-MS m/z481 [M+1]+

CARBON NMR

PROTON NMR

C5D5N
0139.54
0268.39
0368.14
0432.88
0552.49
06204.00
07122.17
08163.80
0942.88
1039.86
1168.77
1242.93
1347.53
1483.87
1532.11
1626.67
1748.26
1816.69
1924.90
2043.51
2113.60
2273.92
2325.65
2442.52
2569.65
2630.25
2730.02
C5D5N
01-Ha1.97
01-He3.43 (dd, 5, 12)
02-Ha4.50
03-He4.19 (s, w1/2 = 10)
04-Ha1.77
04-He2.00
05-H3.02 (dd, 2, 9)
07-H6.25 (d, 2)
09-Ha3.82 (dd, 2, 9)
11-Ha4.45
12-Ha2.95 (dd, 12, 12)
12-He2.48 (dd, 12, 17)
15-Ha1.86
15-Hb2.02
16-Ha1.59
16-Hb2.23
17-H2.64
18-Me0.77 (s )
19-Me1.31 (s )
20-H2.11 (m, w1/2 = 24)
21-Me1.27 (d, 7)
22-H4.03 (m, w1/2 = 20)
23-Ha1.78
23-Hb1.84
24-Ha2.04
24-Hb2.24
26-Me1.37 (s )
27-Me1.39 (s )

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (Nujol) ν max (cm-1)3200 (OH), 1648 (cyclohexenone)
UV (MeOH) λ max (log ε)299 (?)

CHROMATOGRAPHY

TLC 
RLCCsolvent system H2O-EtOAc-n-PrOH (6:6:1)
GLC 
HPLCRecycle HPLC : column Asahipack GS-320 (50 x 2 cm i.d.), solvent MeOH, flow-rate 3.5 ml.min-1.

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationZHANG, M. et al. (1992) Phytochemistry 31, 247-250 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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