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20-HYDROXYECDYSONE 25-BENZOATE

Year of first isolation: 2022
Formula:C34H48O8
Molecular weight:584
Occurence in plants:
Silene popovii [Caryophyllaceae] » Images of Silene popovii Wikipedia: Silene popovii [Caryophyllaceae]
Occurence in animals:
 
20-HYDROXYECDYSONE 25-BENZOATE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C(C)(C(CCC(C)(C)OC(=O)C5=CC=CC=C5)O)O)O
Isomeric SMILES
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C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@@]4([C@](C)([C@H](O)CCC(C)(OC(C5=CC=CC=C5)=O)C)O)[H])=O)([H])C[C@@H](O)[C@@H](O)C1 » JSMol: View in 3D
IUPAC Name(5R,6R)-5,6-dihydroxy-2-methyl-6-((2S,3R,5R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)heptan-2-yl benzoate
CAS-RN 
PubChem CID21769424
InChiKey
[ ChemIDPlus: search ]
LAIDLHZDMDZGOL-WSZYVKLESA-N
InChIInChI=1S/C34H48O8/c1-30(2,42-29(39)20-9-7-6-8-10-20)14-13-28(38)33(5,40)27-12-16-34(41)22-17-24(35)23-18-25(36)26(37)19-31(23,3)21(22)11-15-32(27,34)4/h6-10,17,21,23,25-28,36-38,40-41H,11-16,18-19H2,1-5H3/t21?,23-,25+,26-,27-,28+,31+,32+,33+,34+/m0/s1

MASS SPECTRUM

HRESI-MS m/z584.5360, calculated 584.6348 for C34H48O8

CARBON NMR

PROTON NMR

CD3OD
0137.37
0268.72
0368.53
0432.85
0551.80
06206.47
07122.15
08167.99
0935.08
1039.26
1121.62
1232.49
1348.56
1485.15
1531.82
1621.52
1750.58
1818.08
1924.41
2077.87
2124.41
2278.23
2327.17
2440.48
2584.38
2626.08
2726.64
[1]'133.11
[2]', [6]'130.35
[3]', [5]' 129.50
[4]'133.81
[7]'167.36
CD3OD
01-Ha1.78 (m)
01-Hb1.42 (dd, 13.4, 12.2)
02-Ha3.82 (ddd, 12,0, 4.4, 3.0)
03-He3.94 (q, 3.0)
04-Ha1.67 (m)
04-Hb1.75 (m)
05-H2.35 (dd, 13.1, 4.4)
07-H5.79 (d, 2.5)
09-H3.13 (ddd, 11.6, 7.2, 2.7)
11-Ha1.71 (m)
11-Hb1.98 (m)
12-Ha1.85 (ddd, 13.2,5.0, 2.1)
12-Hb2.10 (td, 13.2? 5.0)
15-Ha1.57 (m)
15-Hb1.96 (m)
16-Ha1.70 (m)
16-Hb1.77 (m)
17-H2.34 (dd, 9.4, 8.2)
18-Me0.87 (s)
19-Me0.95 (s)
21-Me1.19 (s)
22-H3.37 (dd, 10.6, 1.8)
23-Ha1.37 (dddd 13.4, 11.9, 10.6, 4.8)
23-Hb1.73 (m)
24-Ha1.93 (m)
24-Hb2.16 (ddd, 13.7, 12.4, 4.8)
26-Me1.60 (s)
27-Me1.62 (s)
[2]', [6]'  7.95 (d; 8.0)
[3]', [5]' 7.45 (m)
[4]' 7.56 (m)

PHYSICAL PROPERTIES

M.P.220-221 °C ;
[α]D20° (c ; MeOH)
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε)nm (-) ;

CHROMATOGRAPHY

TLC
HPTLC
HPLC
GLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationYUSUPOVA, U.Yu. et al. (2022) Chem. Nat. Compd. 58, 1082-1084 Search more

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© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
© Institut National de la Recherche Agronomique, Versailles, France
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