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COMMON NAME | : | b-Ecdysone / 20-Hydroxyecdysone / Ecdysterone / Crustecdysone / Isoinokosterone |
SYMBOL | : | |
FORMULA | : | C27H44O7 MOL.WT (average) : 480.634 |
BIOLOGICAL ACTIVITY |
PHYSICAL AND CHEMICAL PROPERTIES |
MELTING POINT | : | 240-242![]() |
BOILING POINT | : | |
REFRACTIVE INDEX | : | |
OPTICAL ROTATION | : | [a]28/D = +63![]() |
DENSITY | : | |
SOLUBILITY | : | Sol in methanol, ethanol. (Ref. 0080) |
SPECTRAL DATA |
UV SPECTRA | : | max. 243nm (e= 10,300), 240nm (ethanol, e= 12,670), 242nm (methanol, e= 12,400) (Ref. 0067/0079/0077) |
IR SPECTRA | : | n KBr/max. 1656, 1615, 1387, 1229, 1053, 917, 878 /cm (Ref. 0079) |
NMR SPECTRA | : | Pyridine-d5: 1.07(19-H), 1.20(18-H), 1.36(26- and 27-H), 1.56(21-H), 6.17(7-H) (Ref. 0079) |
MASS SPECTRA | : | m/e: 480 (ecdysone+0), 462 (M-H2O), 444 (M-2H2O), 426 (M-3H2O), 408 (M-4H2O) (Ref. 0077) |
OTHER SPECTRA | : | |
CHROMATOGRAM DATA |
SOURCE |
CHEMICAL SYNTHESIS |
METABOLISM |
GENETIC INFORMATION |
NOTE |
REFERENCES |
AUTHOR | : | Monographs in the Merck Index an encyclopedia of chemicals, drugs, and biologicals (Budavari,S., O'Neil,M.J., Smith,A., and Heckelman,P.E.,eds. 1989), pp547-547, MERCK & CO., Inc. Rahway, N.J. |
TITLE | : | |
JOURNAL | : | |
VOL | : | PAGE : - () |
AUTHOR | : | Dammeier, B., and Hoppe, W. |
TITLE | : | [The crystal and molecular structure analysis of the insectmoulting hormone 20-hydroxyecdysone (Ecdysterone)] PubMed ID:5154405 |
JOURNAL | : | Chem Ber. |
VOL | : | 104 PAGE : 1660-1673 (1971) |
AUTHOR | : | Hocks,P., and Wiechert,R. |
TITLE | : | 20-Hydroxy-Ecdyson, Isoliert aus Insekten. |
JOURNAL | : | Tetrahedron Lett. |
VOL | : | 1966 PAGE : 2989 -2993 (1966) |
AUTHOR | : | Hampshire,F., and Horn,D.H.S. |
TITLE | : | Structure of Crustecdysone, a Crustacean Moulting Hormone. |
JOURNAL | : | J.Chem.Soc., Chem Commun. |
VOL | : | 1966 PAGE : 37 -38 (1966) |
AUTHOR | : | Hüppi,G., and Siddall,J.B. |
TITLE | : | Steroids. CCCXXXIII. Synthetic Studies on Insect Hormones. V. The Synthesis of Crustecdysone (20-Hydroxyecdysone). |
JOURNAL | : | J.Am.Chem.Soc. |
VOL | : | 89 PAGE : 6790 -6792 (1967) |
AUTHOR | : | Takemoto,T., Ogawa,S., and Nishimoto,N. |
TITLE | : | Isolation of the Moulting Hormones of Insects from Achyranthis Radix. |
JOURNAL | : | Yakugaku Zasshi |
VOL | : | 87 PAGE : 325 -327 (1967) |
AUTHOR | : | Galbraith,M.N., and Horn,D.H.S. |
TITLE | : | An Insect-Moulting Hormone from a Plant. |
JOURNAL | : | J.Chem.Soc., Chem.Commun. |
VOL | : | 1966 PAGE : 905 -906 (1966) |
AUTHOR | : | Horn, D. H., Fabbri, S., Hampshire, F., and Lowe, M. E. |
TITLE | : | Isolation of crustecdysone (20R-hydroxyecdysone) from a crayfish (Jasus lalandei H. Milne-Edwards) PubMed ID:5685865 |
JOURNAL | : | Biochem J. |
VOL | : | 109 PAGE : 399-406 (1968) |
AUTHOR | : | Kerb,U., Wiechert,R., Furlenmeier,A., and Fürst,A. |
TITLE | : | Über eine Synthese des Crustecdysons (20-Hydroxyecdyson). |
JOURNAL | : | Tetrahedron Lett. |
VOL | : | 1968 PAGE : 4277 -4280 (1968) |
AUTHOR | : | Mori, H., and Shibata, K. |
TITLE | : | Synthesis of ecdysterone PubMed ID:5347599 |
JOURNAL | : | Chem Pharm Bull (Tokyo). |
VOL | : | 17 PAGE : 1970-1973 (1969) |
AUTHOR | : | Kametani,T., Tsubuki,M., and Nemoto,H. |
TITLE | : | A Stereocontrolled Total Synthesis of 2b,3b,20b-Triacetoxy-5a-Pregnan-6-One. A Total Synthesis of 20-Hydroxyecdysone. |
JOURNAL | : | Tetrahedron Lett. |
VOL | : | 21 PAGE : 4855 -4856 (1980) |