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REPTANSLACTONE A

Year of first report:2009
Formula:C29H44O8
Molecular weight:520
Occurence in plants:
Ajuga reptans var. reptans [Lamiaceae (alt. Labiatae)] » Images of Ajuga reptans var. reptans Wikipedia: <br />
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Occurence in animals:
 
REPTANSLACTONE A

MASS SPECTRUM

CI-MS (NH3) m/zHR-ESIMS
ESI-MS m/z (relative intensity %)543 [M+Na]+ (41), 521 [M+H]+ (11), 505 [M-CH3]+ (11.5), 503 [M+H-H2O]+ (100), 484 [M-2H2O]+ (9), 452 [M+H-3H2O-CH3]+ (15), 437 (24), 413 (23), 391 (37.5), 365 (17)

CARBON NMR

PROTON NMR

CD3OD
0137.5
0268.8
0368.7
0433.05
0552.0
06206.7
07122.0
08168.6
0935.3
1039.4
1121.65
1232.5
1348.9
1485.3
1531.8
1621.9
1750.7
1818.6
1924.5
2077.5
2121.68
2272.8
2381.4
2448.9
2541.4
26182.3
2715.45
2821.4
2912.0
CD3OD
01-Ha1.42
01-He1.79
02-Ha3.85
03-He3.95
04-Ha1.70
04-He1.75
05-H2.38
07-H5.80
09-H3.16
11-Ha1.69
11-He1.80
12-Ha2.19
12-He1.87
15-Ha1.60
15-Hb1.97
16-Ha1.78
16-Hb2.00
17-H2.75
18-Me0.89
19-Me0.96
21-Me1.315 (s)
22-H3.59 (d, 9.8)
23-H4.40 (dd, 10.0, 2.5)
24-H2.11
25-H2.485 (qd, 7.5, 3.0)
27-Me1.29 (d, 7.6)
28-Ha1.27
28-Hb1.90
29-Me0.98 (t, 7.3)

PHYSICAL PROPERTIES

M.P.°C ;
[α]D25+17 ° (c 0.1; MeOH)
IR (KBr) ν max (cm-1)
UV (EtOH) λ max (log ε)239.5 (3.931) ;

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationVÁNYOLÓS, A. et al. (2009) J. Nat. Prod. 72, 929-932 Search more

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© Université 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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