Welcome to online ecdysteroids database !   .
Access data · History · Contact

BRAINESTEROSIDE C

Year of first report:2010
Formula:C33H50O11
Molecular weight:622
Occurence in plants:
Brainea insignis [Ferns] » Images of Brainea insignis
Occurence in animals:
 
BRAINESTEROSIDE C

MASS SPECTRUM

ESI-MS (positive) m/z645 [M+Na]+
ESI-MS (negative) m/z621 [M-H]-, 657 [M+Cl]-

CARBON NMR

PROTON NMR

DMSO-d6
0141.0
0267.1
0379.2
0423.4
05131.5
06142.9
07179.5
08122.9
09163.7
1040.7
1123.8
1235.8
1346.2
14141.1
15125.9
1631.4
1754.5
1817.8
1927.1
2074.9
2120.1
2275.9
2329.0
2436.0
2527.5
2622.4
2722.7
[sugar] 1'101.3
[sugar] 2'73.4
[sugar] 3'76.4
[sugar] 4'69.9
[sugar] 5'76.8
[sugar] 6'61.0
DMSO-d6
01-Ha2.32 (dd, 2.8, 14.0)
01-He1.30 (dd, 2.8, 14.0)
02-Ha4.04 (br, s)
03-He3.51 (ddd, 3.0, 4.4, 12.0)
04-Ha3.10 (dd, 4.4, 12.0)
04-He2.40 (t, 12.0)
05-H-
07-H-
09-H-
11-Ha2.55 (m)
11-He2.53 (m)
12-Ha1.41 (m)
12-He2.16 (m)
15-H6.76 (br, s)
16-Ha2.10 (ddd, 3.0, 7.6, 16.0)
16-Hb2.62 (dd, 10.8, 16.0)
17-H1.82 (dd, 7.6, 10.8)
18-Me0.97 (s)
19-Me1.42 (s)
22-H3.17 (br d, 10.0)
23-Ha1.36 (m)
23-Hb1.10 (m)
24-Ha1.36 (m)
24-Hb1.12 (m)
25-H1.50 (m)
26-Me0.83 (d, 6.8)
27-Me0.84 (d, 6.8)
[sugar] 1'4.29 (d, 7.6)
[sugar] 2'3.00 (t, 8.4)
[sugar] 3'3.16 (t, 8.4)
[sugar] 4'3.05 (t, 8.4)
[sugar] 5'3.08 (m)
[sugar] 6'a3.62 (br, d, 11.6)
[sugar] 6'b3.41 (dd, 5.2, 11.6)

PHYSICAL PROPERTIES

M.P.░C ;
[α]D20+ 42.9 ░ (c 0.24; MeOH)
IR (KBr) ν max (cm-1)
UV (EtOH) λ max (log ε)245 (3.99), 290 (3.77)

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationWU, P. et al. (2010) Phytochemistry 71, 975-981 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
designed by Cybersales a.s.
Powered by Cybersales
PRINTER READY | MEDIUM | WIDE