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PTEROSTERONE 3-O-β-D-GLUCOPYRANOSIDE

Year of first report:2007
Formula:C33H54O12
Molecular weight:642
Occurence in plants:
Sida rhombifolia [Malvaceae] » Images of Sida rhombifolia Wikipedia: <br />
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Occurence in animals:
 
PTEROSTERONE 3-O-β-D-GLUCOPYRANOSIDE

MASS SPECTRUM

EI-MS m/z (relative intensity %)
HR-ESI-MS665.3568 [M+Na]+ (calc. 665.3513 for [C33H54O12Na]+)
CI-MS (NH3) m/z

CARBON NMR

PROTON NMR

C5D5N
0138.9
0267.4
0377.3
0430.4
0551.3
06203.3
07121.6
08166.5
0934.2
1038.6
1121.0
1231.7
1348.0
1484.1
1531.9
1621.5
1749.9
1817.9
1924.0
2076.7
2121.7
2277.6
2335.8
2476.7
2533.9
2616.9
2719.6
[sugar] 1'103.9
[sugar] 2'74.7
[sugar] 3'78.5
[sugar] 4'71.5
[sugar] 5'78.4
[sugar] 6'62.4
C5D5N
01-Ha1.72-1.78
01-He2.01-2.06
02-Ha4.12-4.14
03-He4.30 (br, s)
04-Ha1.66-1.69
04-He2.19-2.23
05-H2.91-2.94
07-H6.22 (s)
09-H3.54 (br, s)
11-Ha1.78-1.80
11-He1.89 (t, 12.0)
12-Ha2.56-2.58
12-He1.92-1.98
15-Ha2.01-2.09
15-Hb2.53-2.56
16-Ha2.45 (br, s)
16-Hb2.48 (br, s)
17-H2.89-2.91
18-Me1.18 (s)
19-Me0.86 (s)
20-H2.09-2.13
21-Me1.58 (s)
22-H4.12-4.14
23-Ha1.98-2.01
23-Hb2.06-2.09
24-H3.95 (q, 4)
25-H1.69-1.78
26-Me1.02 (d, 6.4)
27-Me1.02 (d, 6.4)
[sugar] 1'4.91 (d, 7.6)
[sugar] 2'4.03 (t, 8.0)
[sugar] 3'3.91 (br, s)
[sugar] 4'4.22 (m)
[sugar] 5'4.21 (m)
[sugar] 6'4.33 (m)
[sugar] 6''4.52 (d, 11.6)

PHYSICAL PROPERTIES

M.P.░C ;
[α]D20+ 29.1 (c 3.27; pyridine)
UV (MeOH) λ max (ε)250 (4832) ;
IR (NaCl) ν max (cm-1)3379, 1648, 1374, 1169, 1074, 1025

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationJADHAV, A.N. et al. (2007) Chemistry & Biodiversity 4, 2225-2230 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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