Welcome to online ecdysteroids database !   .
Access data · History · Contact

PONASTERONE A 22-GLYCOLATE

Year of first report:2000
Formula:C29H46O8
Molecular weight:522
Occurence in plants:
 
Occurence in animals:
Iotrochota birotulata [sponge] » Images of Iotrochota birotulata Wikipedia: <br />
<b>Warning</b>:  preg_replace() [<a href='function.preg-replace'>function.preg-replace</a>]: No ending delimiter '&' found in <b>/usr/local/www/apache22/data/ecdybase.org/www/sheet.inc</b> on line <b>68</b><br />
PONASTERONE A 22-GLYCOLATE

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
FAB-MS (negative mode) m/z521 [M-H] ?

CARBON NMR

PROTON NMR

CD3OD
0137.3 (t)
0268.6 (d)
0368.4 (d)
0432.7 (t)
0551.7 (d)
06206.3 (s)
07122.2 (d)
08167.6 (d)
0935.0 (d)
1039.2 (s)
1121.5 (t)
1232.5 (t)
1348.6 (s)
1485.1 (s)
1531.7 (t)
1621.5 (t)
1750.7 (d)
1818.0 (q)
1924.4 (q)
2077.3 (s)
2121.6 (q)
2280.8 (d)
2329.1 (t)
2436.9 (t)
2528.9 (d)
2623.3 (q)
2722.5 (q)
CH2OH61.1 (t)
CO174.6 (s)
CD3OD
01-Ha1.45
01-He1.83
02-Ha3.87 (ddd, 11.5, 3.5, 3.5)
03-He3.98 (br, s)
04-Ha1.75
04-He1.85
05-H2.44
07-H5.84 (d, 2.2)
09-H3.18 (m)
11-Ha1.71
11-He1.84
12-Ha2.16 (ddd, 4.5, 13.0, 13.0)
12-He1.92
15-Ha1.68
15-Hb2.02
16-Ha2.08
16-Hb1.83
17-H2.42
18-Me0.91 (s)
19-Me0.99 (s)
21-Me1.30 (s)
22-H5.00 (dd, 11.0, 2.0)
23-Ha1.44
23-Hb1.73
24-Ha1.20 ?
24-Hb1.20 ?
25-H1.58 (n, 7)
26-Me0.91 (d, 6.5)
27-Me0.92 (d, 6.5)
CH2OH4.17 (d, 16.8), 4.25 (d, 16.8)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1) 
UV (EtOH) λ max (log ε)242 (3.62)

CHROMATOGRAPHY

HPTLC 
TLC 
GLC-
HPLCNP-HPLC column Hibar Lichrospher Si 60 (4x250 mm), solvent EtOAc/MeOH (95:5)

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationCONSTANTINO, V. et al. (2000) Steroids 65, 138-142 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
designed by Cybersales a.s.
Powered by Cybersales
PRINTER READY | MEDIUM | WIDE