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RAPISTERONE D 20-ACETATE

Year of first report:1999
Formula:C29H46O9
Molecular weight:538
Occurence in plants:
Leuzea carthamoides [Asteraceae] » Images of Leuzea carthamoides Wikipedia: <br />
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Occurence in animals:
 
RAPISTERONE D 20-ACETATE

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %)520 (2) [M-18]+, 505 (2), 502 (3), 487 (4), 478 (3), 469 (3), 460 (3), 451 (5), 421 (78), 406 (65), 403 (100), 316 (15), 301 (6), 285 (6), 99 (45), 81 (30).
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
01 
02 
03 
04 
05 
06 
07 
08 
09 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
C5D5N
01-Ha 
01-He 
02-He4.14 (q, 3.5)
03-Ha4.25 (dt, 12, 4)
04-Ha 
04-He 
07-H6.23 (br s)
09-H3.62 (m)
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.95 (t)
18-Me1.12 (s)
19-Me1.18 (s)
21-Me1.56 (s)
22-H3.84 (dd)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.35 (s)
27-Me1.35 (s)
O-Ac1.92 (s)

PHYSICAL PROPERTIES

M.P.225-227 ░C ;
[α]D20+ 36.5 ? 2 ░ (c 0.7; MeOH)
IR (KBr) ν max (cm-1)3300-3400 (OH), 1662 (cyclohexenone), 1715, 1285 (ester)
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationBOROVIKOVA, E.B. et al. (1999) Chem. Nat. Compd. 35 (2), 184-185 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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