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11-HYDROXY-24-DEHYDRO-CAPITASTERONE

Year of first isolation: 2015
Formula:C29H42O8
Molecular weight:518
Occurence in plants:
Ajuga turkestanica [Lamiaceae (alt. Labiatae)] » Images of Ajuga turkestanica Wikipedia: Ajuga turkestanica [Lamiaceae (alt. Labiatae)]
Occurence in animals:
 
11-HYDROXY-24-DEHYDRO-CAPITASTERONE

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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[ ChemSpider: search ]
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@](C)([C@H]1CC(=C(C(=O)O1)C)CC)O)O)C)O)C » JSMol: View in 3D
IUPAC Name(R)-4-ethyl-6-((R)-1-hydroxy-1-((2S,3R,5R,9R,10R,11R,13R,14S,17S)-2,3,11,14-tetrahydroxy-10,13-dimethyl-6-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethyl)-3-methyl-5,6-dihydro-2H-pyran-2-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
QODHCBJSKILZIQ-MWPSDTLYSA-N
InChIInChI=1S/C29H42O8/c1-6-15-9-23(37-25(34)14(15)2)28(5,35)22-7-8-29(36)17-11-18(30)16-10-19(31)20(32)12-26(16,3)24(17)21(33)13-27(22,29)4/h11,16,19-24,31-33,35-36H,6-10,12-13H2,1-5H3/t16-,19+,20-,21+,22-,23+,24+,26-,27+,28+,29+/m0/s1

MASS SPECTRUM

EI-MS m/z (relative intensity %)
HRESI-MS 541.27651 [M+Na]+, expected 541.27719 for C29H42O8Na
ESI-MS m/z 519 [M+H]+, 501 [MH - H2O]+, 483 [MH - 2H2O]+, 465 [MH - 3H2O]+, 447 [MH - 4H2O]+, 429 [MH - 5H2O]+

CARBON NMR

PROTON NMR

D2O
0139.3
0269.6
0369.6
0433.8
0553.5
06*
07124.4
08*
0943.7
1040.7
1170.4
1243.8
1349.1
1487.1
1532.6
1622.5
1751.0
1820.1
1925.4
2078.1
2122.2
2284.4
2330.7
24161.7
25122.2
26173.5
2714.6
2829.4
2913.1
D2O
01-Ha1.40 (t, 13)
01-He2.48 (dd, 13, 3.7)
02-Ha4.10 (m, w1/2 = 10)
03-He4.10 (m, w1/2 = 10)
04-Ha1.75
04-He1.79
05-H2.32
07-H6.00 (d, 2.5)
09-H3.14 (dd, 8.6, 2.5)
11-Ha4.21 (m, w1/2 = 27)
12-Ha2.10 (m)
12-He2.15 (m)
15-Ha2.10
15-Hb1.70
16-Ha1.94
16-Hb1.88
17-H2.53 (t, 9.5)
18-Me0.84 (s)
19-Me1.10 (s)
21-Me1.36 (s)
22-H4.38 (dd, 13.4, 3.5)
23-Ha2.62 (t, br)
23-Hb2.46
24-Ha-
26-Me-
27-Me1.87 (s)
28-CH22.38 (q, 7.2)
29-Me1.1O (t, 7.2)

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 isolationGUIBOUT, L. et al. (2015) Phytochemical Analysis 26, 293-300 Search more

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