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3-O-ACETYL-20-HYDROXYECDYSONE 2-O-β-D-GALACTOPYRANOSIDE

Year of first report:2017
Formula:C35H56O13
Molecular weight:684
Occurence in plants:
Serratula chinensis [Asteraceae] » Images of Serratula chinensis Wikipedia: <br />
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Occurence in animals:
 
3-O-ACETYL-20-HYDROXYECDYSONE 2-O-β-D-GALACTOPYRANOSIDE

MASS SPECTRUM

HRESI-MS707.3609 [M+Na]+, calculated 707.3613 for C35H56O13Na

CARBON NMR

PROTON NMR

C5D5N
0137.7
0273.9
0368.6
0429.8
0552.3
06202.3
07121.9
08167.0
0934.6
1039.2
1121.3
1232.0
1348.3
1484.4
1532.2
1621.8
1750.4
1818.1
1924.4
2077.2
2122.0
2277.8
2327.7
2442.9
2570.0
2630.6
2730.3
[sugar] 1' 104.4
[sugar] 2' 72.8
[sugar] 3' 75.6
[sugar] 4' 70.4
[sugar] 5' 77.2
[sugar] 6' 62.5
C5D5N
01-Ha1.83
01-He2.44
02-Ha4.49
03-He5.65 (br, s)
04-Ha1.98
04-He1.74
05-H2.63 (dd, 14.0, 4.0)
07-H6.21 (d, 2.0)
09-H3.60 (br, s)
11-Ha1.70
11-He2.08
12-Ha2.15
12-He1.85
15-Ha1.96
15-Hb2.51
16-Ha2.45
16-Hb2.05
17-H2.95 (t, 9)
18-Me1.20 (s)
19-Me1.03 (s)
21-Me1.55 (s)
22-H3.87 (d, 9.5)
23-Ha2.15
23-Hb1.85
24-Ha2.30
24-Hb1.81
26-Me1.39 (s)
27-Me1.39 (s)
[sugar] 1' 4.84 (d, 7.5)
[sugar] 2' 4.40 (dd, 9.5, 7.5)
[sugar] 3' 4.10 (dd, 9.5, 3.0)
[sugar] 4' 4.55 (d, 3.0)
[sugar] 5' 4.02 (t, 6.0)
[sugar] 6' 6'' 4.46, 4.42

PHYSICAL PROPERTIES

M.P.░C ;
[α]D25+ 21.0 ░ (c 0.01; MeOH)
IR (KBr) ν max (cm-1)3420, 2925, 2857, 1647, 1382, 1057
UV (MeOH) λ max (log ε)242 () ;

CHROMATOGRAPHY

GLC
HPTLC
HPLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationZHANG, Z.-Y. et al. (2017) J. Asian Nat. Prod. Res. 19, 208-214 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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