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25-DEOXYECDYSONE

Year of first isolation: 1986
Formula:C27H44O5
Molecular weight:448
Occurence in plants:
 
Occurence in animals:
Carcinus maenas [Crustaceae] » Images of Carcinus maenas Wikipedia: Carcinus maenas [Crustaceae]
25-DEOXYECDYSONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C)CCC(C(C)C1CCC2(C1(CCC3C2=CC(=O)C4C3(CC(C(C4)O)O)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]2CC[C@]2([C@]1(CC[C@@H]2[C@H](C)[C@@H](CCC(C)C)O)O)C)C » JSMol: View in 3D
IUPAC Name(2S,3R,5R,9R,10R,13R,14S,17R)-2,3,14-trihydroxy-17-[(2S,3R)-3-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN22005-50-1
PubChem CID10994017
InChiKey
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HHQGPNBMKUXKRM-JUJQDXCZSA-N
InChIInChI=1S/C27H44O5/c1-15(2)6-7-21(28)16(3)17-9-11-27(32)19-12-22(29)20-13-23(30)24(31)14-25(20,4)18(19)8-10-26(17,27)5/h12,15-18,20-21,23-24,28,30-32H,6-11,13-14H2,1-5H3/t16-,17+,18-,20-,21+,23+,24-,25+,26+,27+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z466 (M+H+NH3)+, 449 (M+H)+, 431, 349, 331
EI-MS m/z (relative intensity %)448 (M)+, 430 (M-18)
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 
C5D5N
01-Ha 
01-He 
02-Ha3.90 (m, w1/2 = 8)
03-He4.03 (m, w1/2 = 22)
04-Ha 
04-He 
05-H2.42 (dd, 13.5, 4)
07-H5.84 (d, 2.5)
09-Ha2.98 (m, w1/2 = 22)
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.68 (s )
19-Me0.97 (s )
21-Me0.92 (d, 6.5)
22-Hb3.62 (m, w1/2 = 13)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me0.88 (d, 6.5)
27-Me0.89 (d, 6.5)
CDCl3
01-Ha 
01-He 
02-Ha 
03-He 
04-Ha 
04-He 
05-H 
07-H6.16 (bs )
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.72 (s )
19-Me1.05 (s )
21-Me1.24 (d, 6.5)
22-Hb 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me0.83 (d, 6)
27-Me0.83 (d, 6)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1) 
UV (EtOH) λ max (log ε)241 (4,117) ;

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLCNP-HPLC, Retention time -- min [ Zorbax-Sil 250 mm x 4.6 mm i.d., solvent CH2Cl2-iPrOH-H2O 125:15:1 v/v/v, flow-rate 1 ml.min-1]; RP-HPLC, Retention time 15.6 min [Zorbax-ODS 250 mm x 4.6 mm i.d., solvent ACN-1? TFA in H2O 35:65 v/v, flow-rate 1 ml.min-1]

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = 1.0 x 10-8M
Calliphora assay: 7% (20-hydroxyecdysone = 100%)

REFERENCES

GeneralHAFFERL, W. et al. (1972) J. Labelled Compd. 8, 81-94 Search more
BioactivitiesBERGAMASCO, R. et al. (1980) In: Progress in Ecdysone Research (Ed. J.A. Hoffmann), Elsevier/North Holland Biomed. Press, Amsterdam 299-324 Search more
First isolationLACHAISE, F. et al. (1986) Mol. Cell. Endocrinol. 43, 253-261 Search more
GeneralLACHAISE, F. et al. (1988) J. Insect Physiol. 34, 557-562 Search more
GeneralLACHAISE, F. et al. (1989) J. Exp. Zool. 252, 283-292 Search more
GeneralPIS, J. et al. (1995) Steroids 60, 188-194 Search more
BioactivitiesDINAN, L. et al. (1999) J. Computer-aided Mol. Design 13, 185-207 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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