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2-DEOXYECDYSONE 22-ACETATE

Year of first isolation: 1990
Formula:C29H42O8
Molecular weight:490
Occurence in plants:
Silene otites [Caryophyllaceae] » Images of Silene otites Wikipedia: Silene otites [Caryophyllaceae]
Occurence in animals:
 
2-DEOXYECDYSONE 22-ACETATE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C1CCC2(C1(CCC3C2=CC(=O)C4C3(CCC(C4)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](C1)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)-2-[(3S,5R,9R,10R,13R,14S,17R)-3,14-dihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-6-methylheptan-3-yl] acetate
CAS-RN 
PubChem CID15607749
InChiKey
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AXPOMMVUGJHIFF-GTCSVZCFSA-N
InChIInChI=1S/C29H46O6/c1-17(25(35-18(2)30)10-11-26(3,4)33)20-9-14-29(34)22-16-24(32)23-15-19(31)7-12-27(23,5)21(22)8-13-28(20,29)6/h16-17,19-21,23,25,31,33-34H,7-15H2,1-6H3/t17-,19-,20+,21-,23-,25+,27+,28+,29+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z508 (M+H+NH3)+, 491 (MH)+, 473 (M+H-18)+, 455, 431, 413, 397, 396
EI-MS m/z (relative intensity %) 
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
01 
02 
03 
04 
05 
06 
07 
08 
09 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
CD3OD
01-Ha 
01-Hb 
02-Ha 
02-He 
03-He3.96 (m, w1/2=12)
04-Ha 
04-He 
05-H2.33 (dd, 12, 4)
07-H5.80 (d, 2.5)
09-Ha3.20
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.70 (s )
19-Me0.96 (s )
21-Me0.98 (d, 6.5)
22-H4.87 (d )
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.18 (s )
27-Me1.19 (s )
Me-CO-2.04 (s )

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

HPTLC 
TLCRf 0.59 (EtOAc/MeOH/NH4OH, 85:10:5) (20E 0.18); Rf 0.57 (CH2Cl2-EtOH, 85:15) (20E 0.15)
GLC 
HPLCNP-HPLC, Retention time 5.4 min [Zorbax-Sil 250 mm x 4.6 mm i.d., solvent CH2Cl2- iPrOH-H2O125:40:3 v/v/v, flow-rate 1 ml.min-1] (20E : 16.8 min); Retention time 8.2 min [Zorbax-Sil 250 mm x 4.6 mm i.d., solvent CH2Cl2- iPrOH-H2O 125:25:2 v/v/v, flow-rate 1 ml.min-1] (20E 37.4 min)

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = 1.4 x 10-6M

REFERENCES

First isolationGIRAULT, J.-P. et al. (1990) J. Nat. Prod. 53, 279-293 Search more
BioactivitiesCLEMENT, C.Y. et al. (1993) Insect Biochem. Molec. Biol. 23, 187-193 Search more

see Important notice
© 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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