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SCHIZAEASTERONE A

Year of first report:1997
Formula:C28H46O6
Molecular weight:478
Occurence in plants:
Schizaea dichotoma [fern] » Images of Schizaea dichotoma Wikipedia: <br />
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Occurence in animals:
 
SCHIZAEASTERONE A

MASS SPECTRUM

HR-MS (negative mode)477.323 (calculated for C28H45O6 477.322)
CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 

CARBON NMR

PROTON NMR

C5D5N
0131.1
0232.0
0364.1
0434.1
0553.4
06204.1
07122.3
08164.6
0941.6
1038.2
1168.9
1244.3
1348.2
1484.3
1529.6
1621.4
1749.9
1819.0
1925.1
2076.9
2121.5
2274.1
2336.9
2435.6
2533.7
2620.2
2718.7
2815.2
C5D5N
01-Ha 
01-He 
02-Ha 
02-Hb 
03-He4.17 (br, s, w1/2 = 8)
04-Ha 
04-He 
05-H 
07-H6.35 (d, 2.1)
09-H3.92
11-Ha4.62 (br, dd, 14.6, 9.8)
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me1.33 (s)
19-Me1.35 (s)
21-Me1.61 (s)
22-H3.92
23-Ha 
23-Hb 
24-H 
25-H 
26-Me0.77 (d, 6.7)
27-Me0.81 (d, 7.0)
28-Me0.85 (d, 6.7)

PHYSICAL PROPERTIES

M.P. 
[α]D20+ 45 ░ (c 0.2; MeOH)
IR (KBr) ν max (cm-1)3420, 2955, 1700, 1656, 1466, 1373, 1295, 1260, 1214, 1180,
UV (MeOH) λ max (log ε)238 (4.06) ;

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationFUCHINO, H. et al. (1997) Natural Medicines 51, 491-492 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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