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2-DEOXY-20-HYDROXYECDYSONE 22-PHOSPHATE

Year of first isolation: 1982
Formula:C27H45O9P
Molecular weight:544
Occurence in plants:
 
Occurence in animals:
Schistocerca gregaria [Orthoptera] » Images of Schistocerca gregaria Wikipedia: Schistocerca gregaria [Orthoptera]
Locusta migratoria [Orthoptera] » Images of Locusta migratoria Wikipedia: Locusta migratoria [Orthoptera]
Bombyx mori [Bombycidae] » Images of Bombyx mori Wikipedia: Bombyx mori [Bombycidae]
2-DEOXY-20-HYDROXYECDYSONE 22-PHOSPHATE

STRUCTURE DESCRIPTORS

Canonical SMILESCC12CCC(CC1C(=O)C=C3C2CCC4(C3(CCC4C(C)(C(CCC(C)(C)O)OP(=O)(O)O)O)O)C)O
Isomeric SMILES
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C[C@]12CC[C@@H](C[C@H]1C(=O)C=C3[C@@H]2CC[C@]4([C@]3(CC[C@@H]4[C@](C)([C@@H](CCC(C)(C)O)OP(=O)(O)O)O)O)C)O » JSMol: View in 3D
IUPAC Name[(2R,3R)-2-[(3S,5R,9R,10R,13R,14S,17S)-3,14-dihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2,6-dihydroxy-6-methylheptan-3-yl] dihydrogen phosphate
CAS-RN 
PubChem CID21122088
InChiKey
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ZZFVYSIMDVDSAY-GLPVALQZSA-N
InChIInChI=1S/C27H45O9P/c1-23(2,30)10-9-22(36-37(33,34)35)26(5,31)21-8-13-27(32)18-15-20(29)19-14-16(28)6-11-24(19,3)17(18)7-12-25(21,27)4/h15-17,19,21-22,28,30-32H,6-14H2,1-5H3,(H2,33,34,35)/t16-,17-,19-,21-,22+,24+,25+,26+,27+/m0/s1

MASS SPECTRUM

FAB-MS m/z565 (M-H+Na)-, 543 (M-H)-, 525 (M-H-18)-, 97, 79
HR-MS 
EI-MS m/z (direct inlet on gold support)(464), 446, 428, 410, 393; Direct introduction, fast heating m/z: 549 (M-18+Na)+ , (544) (M)+ , 531 (M-2x18+Na)+ (526) (M-18)+ , 513

CARBON NMR

PROTON NMR

C5D5N
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 
CD3OD
01-Ha 
01-He 
02-Ha 
02-He 
03-He3.98 (m, w1/2=18)
04-Ha 
04-He 
05-H 
07-H5.80 (d, 2)
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.89 (s ) 0.92
19-Me0.95 (s ) 0.98
21-Me1.26 (s ) 1.32
22-H4.07 (m, w1/2=22)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.18 (s ) 1.21
27-Me1.20 (s ) 1.22

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

HPTLC 
TLC 
GLC 
HPLCRP-HPLC with ion suppression, Retention volume 45 ml (column Partisil-ODS3, 25 cm x 4.6 mm i.d. eluted with MeOH in 20 mM sodium citrate pH 6.5, gradient 1:9 v/v to 7:3 v/v over 30 min, flow-rate 2 ml.min-1

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationTSOUPRAS, G. et al. (1982) Steroids 40, 551-560 Search more
GeneralISAAC, R.E. et al. (1983) Biochem. J. 213, 533-541 Search more
GeneralDIEHL, P.A. et al. (1985) Methods Enzymol. 111, 377-410 Search more
GeneralHETRU, C. et al. (1985) Methods Enzymol. 111, 411-419 Search more
GeneralHIRAMOTO, M. et al. (1988) Experientia 44, 623-625 Search more
GeneralOHNISHI, E. et al. (1989) Insect Biochem. 19, 95-101 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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