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ECDYSONE 3(/2)-ACETATE 22-PHOSPHATE

Year of first report:1984
Formula:C29H47O10P
Molecular weight:586
Occurence in plants:
 
Occurence in animals:
Schistocerca gregaria [Orthoptera] » Images of Schistocerca gregaria Wikipedia: <br />
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ECDYSONE 3(/2)-ACETATE 22-PHOSPHATE

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
FAB-MS m/z607 (M-H+Na)-, 585 (M-H)-, 97, 79
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 
CD3OD
01-Ha 
01-He 
02-Ha 
03-He 
04-Ha 
04-He 
05-H5.82, 5.84 (mixture of 2- and 3-acetates)
07-H 
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.74 (s )
19-Me0.99 (s )
21-Me0.98 (d, 6)
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.17
27-Me1.185
O-Ac2.06, 2.18 (mixture of 2- and 3-acetates)

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC(exists as an equilibrium mixture of 2/3 acetates and gives rise to 2 peaks); RP-HPLC (ion suppression mode) : Retention volume 17 ml [Waters Resolve column, 150 mm x 4.6 mm i.d., solvent MeOH-20 mM Na citrate pH 6.5 30:70 v/v, flow-rate 1 ml.min-1]

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationISAAC, R.E. et al. (1984) Biochem. J. 231, 459-464 Search more
GeneralDIEHL, P.A. et al. (1985) Methods Enzymol. 111, 377-410 Search more

see Important notice
© UniversitÚ 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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