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BLECHNOSIDE B

Year of first report:1986
Formula:C33H54O10
Molecular weight:610
Occurence in plants:
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Occurence in animals:
 
BLECHNOSIDE B

MASS SPECTRUM

DEI m/z (relative intenzity %)DCI-MS gives ions at m/z 593 [M+1-H2O] (0.19%); 431 [M+1-glucose] (10%)
EI-MS m/z (relative intensity %) 
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
0133.2
0229.1 *
0364.1
0429.5 *
0551.7
06203.3
07121.4
08166.0
0934.6
1037.0
1121.5
1231.7
1348.1
1484.1
1531.7
1626.7
1748.3
1815.8
1924.4
2043.2
2113.6
2273.9
2324.7
2439.6
2577.4
2627.4
2727.6
glu-198.8
glu-275.4
glu-378.6
glu-472.1
glu-578.6
glu-663.4
C5D5N
01-Ha 
02-Ha 
02-He 
03-He 
04-Ha 
04-He 
05-H2.95
07-H6.17 (d, 1)
09-Ha3.46
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.70 (s )
19-Me1.05 (s )
21-Me1.25 (d, 6.5)
22-Hb4.10
23-Ha 
24-Ha 
24-Hb 
26-Me1.29 (s )
27-Me1.39 (s )
glu sign.: 
glu- 1H5.02 (d, 7.5)
glu-(2-6)H3.9 - 4.6

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)~ 3440 (OH), 1660 (CO)
UV (EtOH) λ max (log ε)243 (4.03)

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLCNP-HPLC, column Spherisorb S GP (50 cm x 8 mm) solvent CHCl3-EtOH (88:12)

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationSUKSAMRARN, A. et al. (1986) Phytochemistry 25, 1301-1304 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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