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INTEGRISTERONE A 25-ACETATE

Year of first report:1999
Formula:C29H46O9
Molecular weight:538
Occurence in plants:
Silene brahuica [Caryophyllaceae] » Images of Silene brahuica Wikipedia: <br />
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Occurence in animals:
 
INTEGRISTERONE A 25-ACETATE

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %)442 (M-CH3COOH - 2H2O)+ (5), 427 (3.5), 424 (3.5), 409 (3.5), 391 (4), 379 (23), 361 (100), 343 (60), 325 (41), 283 (39), 143 (41), 125 (44), 99 (44), 81 (96).
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
0177.7
0270.0
0372.2
0433.3
0548.1
06205.5
07123.3
08166.9
0936.6
1045.5
1123.0
1233.6
1347.7
1485.7
1531.2
16 
1751.8
1819.5
1922.0
2078.5
2123.2
2279.1
2331.6
2440.9
2584.0
2627.7
2727.9
OAc172.0, 23.9
C5D5N
01-He4.3.1 (br, s)
02-Ha4.24 (br, s)
03-He4.31 (br, s)
04-Ha 
04-He 
05-H3.30 (m)
07-H6.27 (br, s)
09-Ha3.58 (m)
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.96 (t, 9)
18-Me1.22 (s)
19-Me1.41 (s)
21-Me1.59 (s)
22-H3.83 (br, d, 9.8)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.41 (s)*
27-Me1.47 (s)*
O-Ac1.93 (s)

PHYSICAL PROPERTIES

M.P.198-200 ░C
[α]D20 
IR (KBr) ν max (cm-1)3400 (OH), 1655 (cyclohexenone), 1730, 1244
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationSADIKOV, Z.T. et al. (1999) Khim. Prir. Soedin. 492-493 Search more
GeneralSUKSAMRARN, A. et al. (2002) J. Nat. Prod. 65, 1194-1197 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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