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CANESCENSTERONE

Year of first isolation: 1995
Formula:C32H47O8N
Molecular weight:573
Occurence in plants:
Vitex canescens [Lamiaceae (alt. Labiatae)] » Images of Vitex canescens Wikipedia: Vitex canescens [Lamiaceae (alt. Labiatae)]
Occurence in animals:
 
CANESCENSTERONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C(C)(CCC(C(C)(C)O)OC(=O)C5=CC=CN5)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]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)(CCC(C(C)(C)O)OC(=O)c1ccc[nH]1)O)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)(CC[C@@H](C(C)(C)O)OC(=O)c1ccc[nH]1)O)O)C)C  » JSMol: View in 3D
C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)(CC[C@H](C(C)(C)O)OC(=O)c1ccc[nH]1)O)O)C)C » JSMol: View in 3D
IUPAC Name[(6S)-2,6-dihydroxy-2-methyl-6-[(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]heptan-3-yl] 1H-pyrrole-2-carboxylate
CAS-RN 
PubChem CID10438055
InChiKey
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AVXVGYYNQOOFRN-WBKALDGLSA-N
InChIInChI=1S/C32H47NO8/c1-28(2,38)26(41-27(37)21-7-6-14-33-21)10-12-31(5,39)25-9-13-32(40)19-15-22(34)20-16-23(35)24(36)17-29(20,3)18(19)8-11-30(25,32)4/h6-7,14-15,18,20,23-26,33,35-36,38-40H,8-13,16-17H2,1-5H3/t18-,20-,23+,24-,25-,26?,29+,30+,31-,32+/m0/s1

MASS SPECTRUM

HR-MS 
EI-MS m/z (relative intensity %)444 [M+H-COC4H4N-2H2O]+ (2), 426 (2), 411 (3), 393 (2), 363 (1), 345 (3), 327 (5), 309 (1), 391 (1), 211 (6), 210 (6), 209 (5), 193 (4), 192 (1), 191 (4), 183 (4), 182 (1), 143 (81), 125 (100), 111 (88), 109 (15), 107 (26), 94 (72), 93 (82), 67 (21), 66 (19), 65 (23)
EI-MS m/z 
ES-MS m/z (relative intensity %)597 [M+H+Na]+ (8), 596 [M+Na]+ (25)

CARBON NMR

PROTON NMR

C5D5N
0137.9
0268.1 a
0368.0 a
0432.4
0551.3
06203.5
07121.5
08166.1
0934.3
1038.5
1120.9 b
1231.7 c
1347.3
1484.3
1531.4 c
1621.9 b
1753.0
1817.8
1924.3
2074.0 d
2125.6
2241.7
2325.0
2480.6
2571.7 d
2627.3
2726.9
COO161.9
p-2'123.9
p-3'115.9 e
p-4'110.2 e
p-5'124.1
C5D5N
01-Ha 
01-Hb 
02-Ha4.15 (br d, 8.6)
03-He4.23 (br s )
04-Ha 
04-He 
05-H3.00 (dd, 13.4, 3.8)
07-H6.19 (d, 2)
09-Ha3.53 (m )
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.90 (t, 9.4)
18-Me1.04 (s )
19-Me1.02 (s )
21-Me1.50 (s )
22-H 
23-Ha 
23-Hb 
24-H5.58 (br d, 8.9)
26-Me1.42 (s )
27-Me1.44 (s )
p-1'13.30 (br s)
p-3'7.28 (m )
p-4'6.40 (m )
p-5'7.28 (m )

PHYSICAL PROPERTIES

M.P.152-153 °C
[α]D26+ 18.8 ° (c 0.09; MeOH)
IR (KBr) ν max (cm-1)3412 (OH), 1683 (CO), 1643 (cyclohexenone)
UV (EtOH) λ max (log ε)240 sh (4.10), 259 (4.18)

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLC 

BIOLOGICAL ACTIVITIES

Drosophila melanogaster BII cell assay: EC50 = 5.3 x 10-10M
Musca assay: 84% (20-hydroxyecdysone = 100%)

REFERENCES

First isolationSUKSAMRARN, A. et al. (1995) Phytochemistry 38, 473-476 Search more
BioactivitiesSUKSAMRARN, A. et al. (2002) Insect Biochem. Molec. Biol. 32, 193-197 Search more
BioactivitiesDINAN, L. et al. (2003) In: Studies in Natural Products Chemisty (ed. Atta-ur-Rahman), Elsevier, Amsterdam, 29, 3-71 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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