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(5α)-2-DEOXYINTEGRISTERONE A

Year of first isolation: 2001
Formula:C27H44O7
Molecular weight:480
Occurence in plants:
Silene pseudotites [Caryophyllaceae] » Images of Silene pseudotites Wikipedia: Silene pseudotites [Caryophyllaceae]
Silene italica ssp. nemoralis [Caryophyllaceae] » Images of Silene italica ssp. nemoralis Wikipedia: Silene italica ssp. nemoralis [Caryophyllaceae]
Occurence in animals:
 
(5α)-2-DEOXYINTEGRISTERONE A

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC3C(=CC(=O)C4C3(C(CC(C4)O)O)C)C1(CCC2C(C)(C(CCC(C)(C)O)O)O)O
Isomeric SMILES
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[C@@H]1([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(C)(C)O)O)O)O)C)C)O » JSMol: View in 3D
IUPAC Name(1R,3R,5S,9R,10R,13R,14S,17S)-1,3,14-trihydroxy-10,13-dimethyl-17-[(2R,3R)-2,3,6-trihydroxy-6-methylheptan-2-yl]-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID70686925
InChiKey
[ ChemIDPlus: search ]
YLEGNIQHVUHHFM-ZLQPYAMRSA-N
InChIInChI=1S/C27H44O7/c1-23(2,32)9-8-21(30)26(5,33)20-7-11-27(34)17-14-19(29)18-12-15(28)13-22(31)25(18,4)16(17)6-10-24(20,27)3/h14-16,18,20-22,28,30-34H,6-13H2,1-5H3/t15-,16+,18-,20+,21-,22-,24-,25-,26-,27-/m1/s1

MASS SPECTRUM

HR-MS
EI-MS m/z (relative intensity %)
CI-MS (NH3) m/z

CARBON NMR

PROTON NMR

CD3OD
0178.3
0241.8
0368.4
0430.8
0552.3
06202.8
07123.0
08166.9
0948.1
1044.5
1125.1
1233.3
1348.8
1485.6
1532.3
1621.4
1750.8
1818.4
197.9
2078.1
2121.1
2278.6
2327.5
2442.6
2571.5
2629.1
2729.8
D2O
01-Ha3.744 (dd, 11.9, 4.3)
02-Ha 
02-He 
03-He3.744 (tt, 11.6, 4.7)
04-Ha 
04-He 
05-H2.543 (dd, 12.5, 3.1)
07-H5.99 (d, 2.3)
09-H2.95 (s, br, w1/2 = 23)
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.31 (t, 9.9)
18-Me0.863 (s)
19-Me0.844 (s)
21-Me1.224 (s)
22-H3.427 (d, 10.6)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.224 (s)
27-Me1.233 (s)
CD3OD
01-Ha3.655 (dd, 11.8, 4.3)
02-Ha1.94
02-He1.46
03-He3.59 (tt, 11.5, 4.6)
04-Ha2.055 (dm)
04-He1.34 (q, 12.5)
05-H2.31 (dd, 12.5, 3.35)
07-H5.84 (d, 2.7)
09-H2.955 (ddd, 11.7, 7.0, 2.6)
11-Ha2.42 (dm)
11-He1.69
12-Ha2.115 (td, 13.1, 4.8)
12-He1.77
15-Ha1.535 (dd, 10.5, 9.6)
15-Hb1.97
16-Ha1.771
16-Hb1.96
17-H2.38 (dd, 9.9, 8.1)
18-Me0.895 (s)
19-Me0.84 (s)
21-Me1.184 (s)
22-H3.325 (dd, >8, 1.7)
23-Ha1.29
23-Hb1.67
24-Ha1.42
24-Hb1.80 (td, 12.0, 4.8)
26-Me1.19 (s)
27-Me1.204 (s)

PHYSICAL PROPERTIES

M.P.- °C ;
[α]D26+4 ° (c 0.1 ; MeOH)
IR (KBr) ν max (cm-1)3400, 1650
UV (EtOH) λ max (log ε)242 (4.13) ;

CHROMATOGRAPHY

HPLCNP-HPLC, column Zorbax(r)-SIL 250 x 9.4 mm, solvent CH2Cl2-iPrOH-H2O (125:40:3, v/v/v), flow-rate 4 ml.min-1, Ret. 22.5 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
GeneralBÁTHORI, M. et al. (2002) Biomed. Chromatogr. 16, 373-378 Search more
GeneralSIMON, A. et al. (2004) Steroids 69(6), 389-394 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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