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ASTERASTEROL B

Year of first report:1997
Formula:C27H43O6S
Molecular weight:495
Occurence in plants:
 
Occurence in animals:
antarctic starfish [Asteroidea] » Images of antarctic starfish Wikipedia: <br />
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Asteridae [Asteroidea] » Images of Asteridae Wikipedia: <br />
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ASTERASTEROL B

MASS SPECTRUM

EI-MS m/z (relative intensity %) 
FAB-MS (negative mode) m/z495 [MSO3] ?
HR-MS 

CARBON NMR

PROTON NMR

C5D5N ?
0132.6
0228.4
0365.9
0428.3
0548.0
06204.1
07123.3
08166.9
0951.2
1039.8
1122.4
1239.6
1345.6
1456.6
1523.4
1628.6
1757.3
1812.5
1912.6
2036.9
2119.1
2237.1
2324.2
2434.5
2534.2
2673.8
2717.0
C5D5N ?
01-Ha 
01-He 
02-Ha 
02-He 
03-He4.13 (brs, w1/2 = 8)
04-Ha1.95*
04-He1.63*
05-H2.74 (dd, 12.4, 3.9)
07-H5.69 (s)
09-H 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.69 (s)
19-Me0.89 (s)
20-H 
21-Me1.02 (d, 6.8)
22-Ha 
22-Hb 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-H3.89 (dd, 9.5, 5.6); 3.81 (dd, 9.5, 6.4)
27-Me0.99 (d, 7.0)

PHYSICAL PROPERTIES

M.P. 
[α]D2012.5 ? ░ (c ; MeOH)
IR (KBr) ν max (cm-1) 
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC?
TLC?
GLC?
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationDE MARINO, S. et al. (1997) Tetrahedron 53, 8625-8628 Search more

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© 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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