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2-DEOXY-5,20-DIHYDROXYECDYSONE [= 2-DEOXY-POLYPODINE B]

Year of first isolation: 2003
Formula:C27H44O6
Molecular weight:480
Occurence in plants:
Diploclisia glaucescens [Menispermaceae] » Images of Diploclisia glaucescens Wikipedia: Diploclisia glaucescens [Menispermaceae]
Occurence in animals:
 
2-DEOXY-5,20-DIHYDROXYECDYSONE [= 2-DEOXY-POLYPODINE B]

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC(CC1(C(=O)C=C3C2CCC4(C3(CCC4C(C)(C(CCC(C)(C)O)O)O)O)C)O)O
Isomeric SMILES
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C1[C@]2([C@@](C[C@H](C1)O)(C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(C)O)O)O)O)C)O)C » JSMol: View in 3D
IUPAC Name(3S,5S,9R,10R,13R,14S,17S)-3,5,14-trihydroxy-10,13-dimethyl-17-[(2R,3R)-2,3,6-trihydroxy-6-methylheptan-2-yl]-1,2,3,4,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID101249756
InChiKey
[ ChemIDPlus: search ]
BOTCUEKLRNYPOQ-UOTSDXBQSA-N
InChIInChI=1S/C27H44O7/c1-22(2,31)10-9-20(29)25(5,32)19-8-13-26(33)18-14-21(30)27(34)15-16(28)6-11-23(27,3)17(18)7-12-24(19,26)4/h14,16-17,19-20,28-29,31-34H,6-13,15H2,1-5H3/t16-,17-,19-,20+,23+,24+,25+,26+,27+/m0/s1

MASS SPECTRUM

EI-MS m/z (relative intensity %)
CI-MS (NH3) m/z
HR-FABMS (+) m/z481.3124 [M+H]+, C27H45O6 requires 481.3165

CARBON NMR

PROTON NMR

C5D5N
0124.94
0229.11
0365.81
0436.48
0580.23
06209.31
07119.66
08167.33
0937.03
1042.37
1121.76
1232.02
1348.09
1484.01
1531.60
1621.32
1749.95
1817.80
1917.24
2076.76
2121.62
2277.50
2327.41
2442.57
2569.47
2629.92
2730.07
CD3OD
0126.23
0229.92
0367.89
0437.50
0581.68
06 
07121.35
08168.85
0938.71
1043.20
1123.09
1233.45
13 
1485.94
1532.54
1622.27
1752.06
1818.84
1917.92
2078.70
2121.83
2279.24
2323.16
2444.04
2572.10
2629.76
2730.50
CD3OD
01-Ha 
01-He 
02-Ha 
02-He 
03-He4.06 (m)
04-Ha 
04-He 
05-H 
07-H5.79 (d, 2.2)
09-H3.28-3.33
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.89 (s)
19-Me1.18 (s)
21-Me1.18 (s)
22-H3.28-3.33
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.18 (s)
27-Me1.19 (s)
C5D5N
01-Ha1.57 (brd, 14.1)
01-He2.17 (m)
02-Ha1.87 (m)
02-He1.87 (m) ??
03-He4.02 (m, w1/2 = 14.2)
04-Ha1.75 (brd, 14.4)
04-He1.97 (brd, 14.4)
05-H-
07-H6.27 (d, 2.5)
09-H3.60 (m)
11-Ha1.79 (m)
11-He1.88 (m)
12-Ha2.61 (m)
12-He2.07 (m)
15-Ha2.17 (m)
15-Hb1.90 (m)
16-Ha2.47 (m)
16-Hb2.07 (m)
17-H3.00 (t, 9.0)
18-Me1.22 (s)
19-Me1.11 (s)
21-Me1.60 (s)
22-H3.88 (brd, 8.5)
23-Ha1.87 (m)
23-Hb2.17 (m)
24-Ha1.82 (m)
24-Hb2.28 (m)
26-Me1.37 (s)
27-Me1.37 (s)

PHYSICAL PROPERTIES

M.P.128-130 °C ;
[α]D25+ 62.4 ° (c 0.34; MeOH)
IR (KBr) ν max (cm-1)
UV (EtOH) λ max (log ε)241 nm (-) ;

CHROMATOGRAPHY

HPLCRP HPLC column STR Prep-ODS 20 mm x 250 mm, 60% H2O-MeOH
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationJAYASINGHE, L. et al. (2003) Steroids 68, 447-450 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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