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ECDYSONE 22-ACETATE

Year of first isolation: 2005
Formula:C29H46O7
Molecular weight:506
Occurence in plants:
Serratula coronata [Asteraceae] » Images of Serratula coronata Wikipedia: Serratula coronata [Asteraceae]
Occurence in animals:
 
ECDYSONE 22-ACETATE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C1CCC2(C1(CCC3C2=CC(=O)C4C3(CC(C(C4)O)O)C)C)O)C(CCC(C)(C)O)OC(=O)C
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]2[C@H](C)[C@@H](CCC(C)(C)O)OC(=O)C)O)C)C » JSMol: View in 3D
IUPAC Name[(2S,3R)-6-hydroxy-6-methyl-2-[(2S,3R,5R,9R,10R,13R,14S,17R)-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]heptan-3-yl] acetate
CAS-RN 
PubChem CID11691930
InChiKey
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KRSQECBETIPYJB-VUUQMWFNSA-N
InChIInChI=1S/C29H46O7/c1-16(25(36-17(2)30)9-10-26(3,4)34)18-8-12-29(35)20-13-22(31)21-14-23(32)24(33)15-27(21,5)19(20)7-11-28(18,29)6/h13,16,18-19,21,23-25,32-35H,7-12,14-15H2,1-6H3/t16-,18+,19-,21-,23+,24-,25+,27+,28+,29+/m0/s1

MASS SPECTRUM

HR-MS
EI-MS m/z (relative intensity %)
CI-MS (NH3) m/z524 [M + H + NH3]+, 507 [M + H]+, 506 [M]+, 489, 462, 458, 448, 428, 414, 391, 370, 326, 279, 260, 244, 191, 148, 141

CARBON NMR

PROTON NMR

D2O
0136.4 (t)
0268.3 (d)
0368.2 (d)
0432.3 (t)
0551.4 (d)
06?
07122.1 (d)
08?
0934.9 (d)
1039.1 (s)
1121.0 (t)
1231.4 (t)
1348.3 (s)
1486.4 (s)
1531.6 (t)
1621.0 (t)
1748.4 (d)
1816.3 (q)
1924.2 (q)
2039.8 (d)
2114.0 (q)
2280.3 (d)
2326.4 (t)
2440.6 (t)
2572.8 (s)
2628.9 (q)
2728.9 (q)
CH321.9 (q)
CO?
D2O
01-Ha1.38 (t, 13.4)
01-He1.88 (m)
02-Ha3.99 (m, w1/2 = 22)
03-He4.07 (m, w1/2 = 8)
04-Ha1.75 (t)
04-He1.75 (t)
05-H2.35 (t)
07-H5.97 (d, 2.5)
09-H3.11 (m, w1/2 = 22)
11-Ha1.73 (m)
11-He1.86 (m)
12-Ha1.93 (m)
12-He1.86 (m)
15-Ha1.65 (m)
15-Hb2.05 (m)
16-Ha1.74* (m)
16-Hb1.88* (m)
17-H1.94 (m)
18-Me0.72 (s)
19-Me1.00 (s)
20-H1.94 (m)
21-Me0.995 (d, 6.0)
22-H4.86 (dd, 10.5, 2.0)
23-Ha1.56 (m)
23-Hb1.76 (m)
24-Ha1.56 (m)
24-Hb1.46 (m)
26-Me1.23 (s)
27-Me1.23 (s)

PHYSICAL PROPERTIES

M.P.? °C ;
[α]D20? ° (c ; MeOH)
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε)242 nm (?) ;

CHROMATOGRAPHY

HPLCNP-HPLC Zorbax-SIL (250 x 9.4 mm) solvent dichloromethane-isopropanol-water (125:15:1), flow-rate 4 ml/min (Ret 35.5 min); Kromasil (250x 4.6 mm), solvent cyclohexane-isopropanol-water (100:30:2), flow-rate 1 ml/min (Ret 12.1 min).
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationODINOKOV, V.N. et al. (2005) Collect. Czech. Chem. Commun. 70, 2038-2052 Search more

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© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
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