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22-DEHYDRO-12-HYDROXYCYASTERONE

Year of first isolation: 1995
Formula:C29H42O9
Molecular weight:534
Occurence in plants:
Ajuga reptans var. atropurpurea [Lamiaceae (alt. Labiatae)] » Images of Ajuga reptans var. atropurpurea Wikipedia: Ajuga reptans var. atropurpurea [Lamiaceae (alt. Labiatae)]
Occurence in animals:
 
22-DEHYDRO-12-HYDROXYCYASTERONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC1C(C(OC1=O)C)C=C(C(C)(C2CCC3(C2(C(CC4C3=CC(=O)C5C4(CC(C(C5)O)O)C)O)C)O)O)O
Isomeric SMILES
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C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2C[C@H]([C@]2([C@]1(CC[C@@H]2[C@](C)(C(=O)C[C@H]1[C@@H](C(=O)O[C@@H]1C)C)O)O)C)O)C » JSMol: View in 3D
IUPAC Name(3S,4S,5R)-4-[(Z,3R)-2,3-dihydroxy-3-[(2S,3R,5R,9R,10R,13S,14R,17S)-2,3,12,14-tetrahydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]but-1-enyl]-3,5-dimethyloxolan-2-one
CAS-RN 
PubChem CID101699886
InChiKey
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JQEDSZYKGHQUGZ-AKPXYYRYSA-N
InChIInChI=1S/C29H42O9/c1-13-15(14(2)38-25(13)35)8-24(34)28(5,36)22-6-7-29(37)17-9-19(30)18-10-20(31)21(32)12-26(18,3)16(17)11-23(33)27(22,29)4/h8-9,13-16,18,20-23,31-34,36-37H,6-7,10-12H2,1-5H3/b24-8-/t13-,14+,15-,16-,18-,20+,21-,22-,23?,26+,27-,28+,29+/m0/s1

MASS SPECTRUM

MS (thermospray) m/z (negative ions)579 (M+HCOO)-, 561 (M+HCOO-H2O)-
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
0137.9
0268.0
0367.9
0432.4
0551.2
06203.3
07122.3
08163.1
0934.5
1038.8
1129.7
1271.0
1351.8
1485.9
1531.6
1623.0
1759.3
1812.1
1924.3
2079.0
2128.8
22218.4
2342.0
2445.8
2542.2
26178.6
2714.7
2879.8
2920.2
C5D5N
01-Ha2.11
01-He2.02
02-Ha4.16 (m, w1/2=24)
03-He4.22
04-Ha2.02
04-He1.74 (t, 14)
05-H3.04 (dd, 13.0, 3.5)
07-H6.30 (d, 2)
09-H3.78 (m, w1/2=26)
11-Ha2.45
11-He1.92
12-He5.08
15-Ha2.19
15-Hb1.95
16-Ha2.83 (m)
16-Hb2.25
17-H3.42 (t, 9.5)
18-Me0.84 (s)
19-Me1.08 (s)
21-Me1.58 (s)
22-H?
23-Ha3.57 (dd, 19.0, 6.0)
23-Hb3.31 (dd, 19.0, 6.0)
24-Ha2.40
25-H2.53 (dq, 11.0, 7.0)
27-Me1.31 (d, 7)
28-H4.24 (dq, 8.5, 6.0)
29-Me1.41 (d, 6.5)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)3405, 1757, 1708, 1658
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLCRP-HPLC, column Spherisorb ODS-2, 10 ?m, 300 x 7.8 mm, flow-rate 3 ml.min-1, solvent iPrOH-H2O 1:5.6, temp. 23°C, Ret. 60.0 min (20E 17.2 min).

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = 1.3 x 10-6M

REFERENCES

First isolationCALGANO, M.P. et al. (1995) Tetrahedron 51, 12119-12126 Search more
BioactivitiesDINAN, L. et al. (1999) J. Computer-aided Mol. Design 13, 185-207 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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