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CYATHISTERONE

Year of first report:1994
Formula:C28H42O2
Molecular weight:410
Occurence in plants:
Calvatia cyathiformis [Fungi] » Images of Calvatia cyathiformis Wikipedia: <br />
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Occurence in animals:
 
CYATHISTERONE

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %)410.3193 [M]+ (C28H42O2 requires 410.3185) (14), 285 [M - C9H17]+ (12), 259 (23), 109 (43).
HR-MS 

CARBON NMR

PROTON NMR

CDCl3
0138.3 (t)
0237.4 (t)
03211.7 (s)
0437.2 (t)
0554.8 (d)
06199.0 (s)
07123.3 (d)
08164.4 (s)
0949.9 (d)
1038.5 (s)
1122.1 (t)
1238.8 (t)
1344.7 (s)
1456.0 (d)
1522.7 (t)
1628.0 (t)
1756.3 (d)
1812.7 (q)
1912.9 (q)
2040.4 (d)
2121.2 (q)
22135.4 (d)
23133.1 (d)
2443.0 (d)
2533.2 (d)
2620.0 (q)
2719.7 (q)
2817.7 (q)
CDCl3
01-Ha 
01-He 
02-Ha 
02-He 
04-Ha2.56 (dd, 4.0, 15.5)
04-He2.60 (dd, 12.5, 15.5)
05-H2.66 (dd, 4.0, 12.5)
07-H5.78 (br t, 2.2)
09-H 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.65 (s)
19-Me1.07 (s)
20-H 
21-Me1.05 (d, 6.6)
22-H5.17 (dd, 7.7, 15.3)
23-H5.27 (dd, 7.8, 15.3)
24-H 
25-H 
26-Me0.83 (d, 6.8)
27-Me0.84 (d, 6.8)
28-Me0.92 (d, 6.8)

PHYSICAL PROPERTIES

M.P.200-203 ░C ;
[α]D25+ 12 ? ░ (c 0.17; CHCl3)
IR (KBr) ν max (cm-1)1720 (CO), 1660 (CO)
UV (MeOH) λ max (log ε)242 (4.45) ;

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationKAWAHARA, N. et al. (1994) Phytochemistry 37, 213-215 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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