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Year of first isolation: |
1967 |
Formula: | C27H44O8 |
Molecular weight: | 496 |
Occurence in plants: |
Podocarpus elatus [Podocarpaceae] » ![Wikipedia: <br />
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Occurence in animals: |
Manduca sexta [Lepidoptera] » ![Wikipedia: <br />
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Canonical SMILES | CC12CCC3C(=CC(=O)C4C3(CC(C(C4)O)O)C)C1(CCC2C(C)(C(CCC(C)(CO)O)O)O)O | Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C[C@]12CC[C@H]3C(=CC(=O)[C@H]4[C@@]3(C[C@@H]([C@@H](C4)O)O)C)[C@@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)(CO)O)O)O)O » 
| IUPAC Name | (2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-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 | 19458-46-9 | PubChem CID | 21123946 | InChiKey [ ChemIDPlus: search ] | RRCGNPRHZQPOOT-FFBSXHGNSA-N | InChI | 1S/C27H44O8/c1-23(33,14-28)8-7-22(32)26(4,34)21-6-10-27(35)16-11-18(29)17-12-19(30)20(31)13-24(17,2)15(16)5-9-25(21,27)3/h11,15,17,19-22,28,30-35H,5-10,12-14H2,1-4H3/t15-,17-,19+,20-,21-,22+,23?,24+,25+,26+,27+/m0/s1 |
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CI-MS (NH3) m/z | 514, 497 (MH)+, 479, 461, 443, 380, 363 (MH - C22-C27)+, 347, 345, 329. | EI-MS m/z | 460 (M - 2x18)+, 442 (M - 3x18)+, 427, 409, 391, 363 (MH - C22-C27)+, 345, 133 (C22-C27)+, 115. | HR-MS | |
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CD3OD | 01 | 37.34 | 02 | 68.70 | 03 | 68.51 | 04 | 32.87 | 05 | 51.79 | 06 | 206.50 | 07 | 122.15 | 08 | 167.94 | 09 | 35.09 | 10 | 39.27 | 11 | 21.50 | 12 | 32.52 | 13 | 49.0* | 14 | 85.26 | 15 | 31.77 | 16 | 21.50 | 17 | 50.48 | 18 | 18.04 | 19 | 24.41 | 20 | 77.82 | 21 | 21.01 | 22 | 78.22 | 23 | 30.17 | 24 | 32.10 | 25 | 37.06 | 26 | 68.13 | 27 | 17.52 |
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D2O | 01-Ha | 1.4 | 01-He | 1.9 | 02-Ha | 3.99 (m, w1/2=22) | 03-He | 4.07 (m, w1/2=8) | 04-Ha | 1.75 | 04-He | 1.75 | 05-H | 2.34 (t-like ) | 07-H | 5.97 (d, 2.5) | 09-Ha | 3.11 (m, w1/2=21) | 11-Ha | | 11-He | | 12-Ha | | 12-He | | 15-Ha | | 15-Hb | | 16-Ha | | 16-Hb | | 17-H | 2.32 (m ) | 18-Me | 0.87 (s ) | 19-Me | 1.00 (s ) | 21-Me | 1.24 (s ) | 22-H | 3.43 (d br, 10) | 23-Ha | | 23-Hb | | 24-Ha | | 24-Hb | | 26-CH2-OH | 3.45, 3.46 (s )* | 27-Me | 1.16, 1.18 (s )* |
CD3OD | 01-Ha | 1.43 (dd, 13.5; 12.2) | 01-He | 1.79 (dd, 13.5; 4.2) | 02-Ha | 3.84 (ddd, 12.2; 4.2; 3.0) | 03-He | 3.95 (q, 3; 3; 3) | 04-Ha | 1.71-1.77 | 04-He | 1.71-1.77 | 05-H | 2.38 (dd, 13.0; 4.4) | 07-H | 5.81 (d, 2.6) | 09-Ha | 3.15 (ddd, 11.5; 7.0; 2.6) | 11-Ha | 1.71 | 11-He | 1.81 | 12-Ha | 2.12 (td, 13; 13; 5) | 12-He | 1.88 | 15-Ha | 1.96 | 15-Hb | 1.60 | 16-Ha | 1.72 | 16-Hb | 2.0 | 17-H | 2.37 (t, 9.0; 9.0) | 18-Me | 0.890 (s) | 19-Me | 0.967 (s) | 21-Me | 1.178 (s) | 22-H | 3.33 (dd, 10.3; 1.6) | 23-Ha | 1.63 | 23-Hb | 1.19 | 24-Ha | 1.71 | 24-Hb | 1.11 | 25-H | 1.60 | 26-CH2-OH | 3.46 (dd, 10.8; 5.6); 3.34 (dd, 10.8; 6.8) | 27-Me | 0.945 (d, 6.8) |
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M.P. | 149-153 °C ; | [α]D20 | | IR (KBr) ν max (cm-1) | 3486 (OH), 1652 (cyclohexenone). | UV (EtOH) λ max (log ε) | 242 (4.041) ; |
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TLC | Rf 0.44 (EtOAc-EtOH-H2O, 8:2:1) (20E 0.61); Rf 0.25 (CHCl3-MeOH-Me2CO, 6:2:1) (20E 0.47); Rf 0.17 (CHCl3-96% EtOH, 7:3) (20E 0.35). | GLC | Retention time 18.25 min, 25 m x 0.22 mm fused silica column, 0.1 ?m film of BP-1 oven temperature 50°C at injection raised immediatelly to 200°C than programmed at 8°C.min-1 to 320°C than isothermal; carrier gas He at 100 ml.min-1 (20E: retention time 12 min). | HPLC | 1- Retention time 43.9 min [Zorbax-Sil 250 mm x 4.6 mm i.d., solvent CH2Cl2-iPrOH-H2O 125:40:3 v/v/v, flow-rate 1 ml.min-1] (20E : 16.8 min) 2- Retention time 4.1 min [Spherisorb-5ODS2 250 mm x 4.6 mm i.d., solvent ACN-1? TFA in H2O, 23:77 v/v, flow-rate 1 ml.min-1] (20E 5.5 min) |
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Drosophila melanogaster BII cell assay: EC50 = 7.3 x 10-6M | Calliphora assay: 10% (20-hydroxyecdysone = 100%) | Musca assay: 7-10% (20-hydroxyecdysone = 100%) |
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First isolation | THOMPSON, M.J. et al. (1967) Chem. Commun., 650-653 |
 | First isolation | THOMPSON, M.J. et al. (1973) Experientia 29, 782 |
 | Bioactivities | BERGAMASCO, R. et al. (1980) In: Progress in Ecdysone Research (Ed. J.A. Hoffmann), Elsevier/North Holland Biomed. Press, Amsterdam 299-324 |
 | General | MENDIS, A.H.W. et al. (1983) Mol. Biochem. Parasitol. 9, 209-226 |
 | General | EVERSHED, R.P. et al. (1987) J. Chromatogr. 390, 357-369 |
 | General | GIRAULT, J.-P. et al. (1990) J. Nat. Prod. 53, 293-302 |
 | General | KUSAMBA, C. et al. (1995) Fitoterapia LXVI, 175-178 |
 | General | SUKSAMRARN, A. et al. (1998) Tetrahedron 54, 14565-14572 |
 | Bioactivities | DINAN, L. et al. (2005) In: Comprehensive Molecular Insect Science (eds. L. I. Gilbert, C. Iatrou, S. Gill), Elsevier, Oxford, III, 197-242 |
 | Struct. analysis | BUDĚŠÍNSKÝ, M. et al. (2008) Steroids 73, 502-514 |
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Permanent link to this datasheet: 20,26-DIHYDROXYECDYSONE [= PODECDYSONE C]
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