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Year of first isolation: | 
1968 |  
| Formula: | C27H44O8 |  
| Molecular weight: | 496 |  
| Occurence in plants:  |  
Podocarpus nakaii [Podocarpaceae] »   ![Wikipedia: Podocarpus nakaii [Podocarpaceae]](/images/wikipedia.png)  Dacrydium intermedium [Podocarpaceae] »   ![Wikipedia: Dacrydium intermedium [Podocarpaceae]](/images/wikipedia.png)  
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| Occurence in animals:  |  
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| Canonical SMILES | CC(C)C(CC(C(C)(C1CCC2(C1(CCC3C2=CC(=O)C4(C3(CC(C(C4)O)O)C)O)C)O)O)O)O |  Isomeric SMILES [ PubChem: search | XML ] [ ChemSpider: search ] | C1[C@]2([C@@](C[C@H]([C@H]1O)O)(C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](C[C@@H](C(C)C)O)O)O)O)C)O)C »  
  |  | IUPAC Name | (2S,3R,5S,9R,10R,13R,14S,17S)-2,3,5,14-tetrahydroxy-10,13-dimethyl-17-[(2R,3R,5S)-2,3,5-trihydroxy-6-methylheptan-2-yl]-1,2,3,4,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-6-one |  | CAS-RN | 26191-89-9  |  | PubChem CID | 15249992  |  InChiKey [ ChemIDPlus: search ] | PXCOYCUFJMMDCP-CEPQAZHYSA-N |  | InChI | InChI=1S/C27H44O8/c1-14(2)17(28)11-21(31)25(5,33)20-7-9-26(34)16-10-22(32)27(35)13-19(30)18(29)12-24(27,4)15(16)6-8-23(20,26)3/h10,14-15,17-21,28-31,33-35H,6-9,11-13H2,1-5H3/t15-,17-,18-,19+,20-,21+,23+,24+,25+,26+,27+/m0/s1 |  
  
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| CI-MS (NH3) m/z |   |  | EI-MS m/z (relative intensity %) | (of the 20,22-benzylidene acetal) 584 (3), 379 (23), 362 (17), 206 (15), 143 (64), 135 (14), 134 (100), 125 (23), 107 (34), 105 (42), 91 (53) |  | HR-MS |   |  
  
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| C5D5N |  | 01 | 34.6  |  | 02 | 67.8  |  | 03 | 69.7  |  | 04 | 35.9  |  | 05 | 79.7  |  | 06 | 200.8  |  | 07 | 119.8  |  | 08 | 166.8  |  | 09 | 38.2  |  | 10 | 44.6  |  | 11 | 21.3  |  | 12 | 31.5  |  | 13 | 48.0  |  | 14 | 83.9  |  | 15 | 32.0  |  | 16 | 22.0  |  | 17 | 40.8  |  | 18 | 17.8  |  | 19 | 17.0  |  | 20 | 75.8  |  | 21 | 21.5  |  | 22 | 76.7 * |  | 23 | 35.6  |  | 24 | 77.5 * |  | 25 | 34.0  |  | 26 | 19.5  |  | 27 | 17.0  |  
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| C5D5N |  | 01-Ha |   |  | 01-Hb |   |  | 02-Ha |                  4.12 |  | 03-He |                  4.03 |  | 04-Ha |   |  | 04-He |   |  | 07-H | 6.17 (d, 2.5)        6.26 |  | 09-Ha |   |  | 11-Ha |   |  | 11-He |   |  | 12-Ha |   |  | 12-He |   |  | 14-H |   |  | 15-Ha |   |  | 15-Hb |   |  | 16-Ha |   |  | 16-Hb |   |  | 17-H |   |  | 18-Me | 1.17            1.19 |  | 19-Me | 1.12            1.13 |  | 21-Me | 1.54            1.57 |  | 22-H |   |  | 23-Ha |   |  | 23-Hb |   |  | 24-H |   |  | 25-H |   |  | 26-Me | 1.00 (d, 6)       1.02 (d, 6) |  | 27-Me | 1.00 (d, 6)       1.02 (d, 6) |  
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| M.P. | 270-272 °C |  | [α]D20 |   |  | IR (KBr) ν max (cm-1) | 3375 (OH), 1668 (cyclohexenone), 1626 |  | UV (EtOH) λ max (log ε) | 244 (4.04), 326 (2.0) |  
  
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| HPTLC |   |  | TLC | Rf 0.23 (CHCl3-EtOH 4:1); Rf 0.38 (CHCl3-EtOH 5:1); Rf 0.65 (CHCl3-EtOH-Me2CO 6:2:1); Rf 0.59 (CHCl3-MeOH-Me2CO 6:2:1); Rf 0.05 (CH2Cl2-EtOH-Me2CO 16:1:4); Rf 0.45 (CH2Cl2-MeOH-C6H6 25:5:3). RP-TLC on paraffin coated silica gel Rf 0.34 (MeOH-H2O 50:50); RP-TLC on C18-bonded silica gel Rf 0.33 (MeOH-H22O 65:35). |  | GLC | Ret 9.0 min (E 6.9 min) on 1.5% OV101 (0.9 m x 4.5 mm i.d.) at 285°C, following silyla-tion at 120°C for 5 h. |  | HPLC |   |  
  
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Drosophila melanogaster Kc-H cell assay: EC50 = 2.8 x 10-9M  |  Calliphora assay: ~100% (20-hydroxyecdysone = 100%)  |  
  
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| First isolation | NAKANISHI, K. et al. (1968) Tetrahedron Lett. (9), 1105-1110 | 
		  |  | General | KOREEDA, M. et al. (1970) Chem. Commun., 351-352 | 
		  |  | General | HORN, D.H.S. et al. (1971) In: Naturally Occuring Insecticides (eds. Jacobson M. and Crosby D.G) Marcel Dekker, New York, pp. 333-459 | 
		  |  | General | RUSSEL, G.B. et al. (1972) Aust. J. Chem. 25, 1935-1941 | 
		  |  | General | BLUNT, J.W. et al. (1979) Aust. J. Chem. 32, 779-782 | 
		  |  | Bioactivities | CHERBAS, L. et al. (1980) W. Roux Arch. Devel. Biol. 189, 1-15 | 
		  |  | Bioactivities | BERGAMASCO, R. et al. (1980) In: Progress in Ecdysone Research (Ed. J.A. Hoffmann), Elsevier/North Holland Biomed. Press, Amsterdam 299-324 | 
		  |  | General | WILSON, I.D. et al. (1985) J. Chromatogr. 318, 373-377 | 
		  |  | General | BIELBY, C.R. et al. (1986) J. Chromatogr. 351, 57-64 | 
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Permanent link to this datasheet: PONASTERONE C
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