1-Keto-1,2,3,4-tetrahydrophenanthrene
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| Identifiers | |
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| Synonyms | THP-1; 1,2,3,4-Tetrahydrophenanthren-1-one |
| CAS Number | 573-22-8 |
| PubChem (CID) | 225683 |
| ChemSpider | 196209 |
| ChEMBL | CHEMBL88130 |
| Chemical and physical data | |
| Formula | C14H12O2 |
| Molar mass | 196.24448 g/mol |
| 3D model (Jmol) | Interactive image |
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1-Keto-1,2,3,4-tetrahydrophenanthrene (THP-1), or 1,2,3,4-tetrahydrophenanthren-1-one, is a synthetic, steroidal estrogen, and was reported to be the first synthetic estrogen, or the first synthetic compound identified with estrogenic activity.[1][2] It was first synthesized in 1933 by Cook et al and was tested due to its similarity to the presumed chemical structure of estrone.[1][2] Upon reassessment many decades later, the compound was found to bind only weakly to the estrogen receptors and, unexpectedly, was without functional activity as an estrogen or antiestrogen in vitro or in vivo.[2] It did, however, show some androgenic and antiandrogenic activity in vitro.[2]
References
- 1 2 Virgil Craig Jordan (1986). Estrogen/antiestrogen Action and Breast Cancer Therapy. Univ of Wisconsin Press. pp. 20–. ISBN 978-0-299-10480-1.
- 1 2 3 4 Ashby J, Odum J, Paton D, Lefevre PA, Beresford N, Sumpter JP (2000). "Re-evaluation of the first synthetic estrogen, 1-keto-1,2,3, 4-tetrahydrophenanthrene, and bisphenol A, using both the ovariectomised rat model used in 1933 and additional assays". Toxicol. Lett. 115 (3): 231–8. PMID 10814893.
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