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2-DEOXY-20,26-DIHYDROXYECDYSONE

Year of first isolation: 2001
Formula:C27H44O7
Molecular weight:480
Occurence in plants:
Silene pseudotites [Caryophyllaceae] » Images of Silene pseudotites Wikipedia: Silene pseudotites [Caryophyllaceae]
Occurence in animals:
 
2-DEOXY-20,26-DIHYDROXYECDYSONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC(CC1C(=O)C=C3C2CCC4(C3(CCC4C(C)(C(CCC(C)(CO)O)O)O)O)C)O
Isomeric SMILES
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C1[C@]2([C@@H](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(CO)(C)O)O)O)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H](C1)O)C(=O)C=C1C2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CC[C@@](CO)(C)O)O)O)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H](C1)O)C(=O)C=C1C2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CC[C@](CO)(C)O)O)O)O)C)C » JSMol: View in 3D
IUPAC Name(3S,5R,9R,10R,13R,14S,17S)-3,14-dihydroxy-10,13-dimethyl-17-[(2R,3R)-2,3,6,7-tetrahydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID11420239
InChiKey
[ ChemIDPlus: search ]
BIKLGOJMOZLAIG-FXYRDGGRSA-N
InChIInChI=1S/C27H44O7/c1-23(32,15-28)9-8-22(31)26(4,33)21-7-12-27(34)18-14-20(30)19-13-16(29)5-10-24(19,2)17(18)6-11-25(21,27)3/h14,16-17,19,21-22,28-29,31-34H,5-13,15H2,1-4H3/t16-,17-,19-,21-,22+,23?,24+,25+,26+,27+/m0/s1

MASS SPECTRUM

HR-MS
EI-MS m/z (relative intensity %)
CI-MS (NH3) m/z498 (M+H+NH3)+, 481 (M+H)+, 480 (M)+, 463 (M+H-H2O)+

CARBON NMR

PROTON NMR

D2O
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
D2O
01-Ha 
01-He 
02-Ha 
02-He 
03-He4.10 (s, br, w1/2 = 20)
04-Ha 
04-He 
05-H2.39 (dd, br, 12.5, 3.4)
07-H5.96 (d, 2.2)
09-H3.15 (s, br, w1/2 = 25)
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.33 (t, 9.7)
18-Me0.863 (s)
19-Me0.976 (s, br, w1/2 = 4)
20-H 
21-Me1.235 (s)
22-H3.44 (d, 10.5)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-CH2OH3.45 (s)
27-Me1.161 (s)

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

HPLCNP-HPLC, column Zorbax?-SIL 250 x 9.4 mm, solvent CH2Cl2-iPrOH-H2O (125:40:3, v/v/v), flow-rate 4 ml.min-1, Ret. 23.7 min (20E 18.5 min).
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationMENG, Y. et al. (2001) J. Chromatogr. A 935, 309-319 Search more

see Important notice
© 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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