Estradiol 17β-acetate

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Estradiol 17β-acetate
ファイル:Estradiol acetate.svg
Systematic (IUPAC) name
[(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] acetate
Clinical data
Pregnancy cat. ?
Legal status ?
Identifiers
CAS number 1743-60-8
ATC code ?
PubChem CID 6852404
ChemSpider 5254726
UNII 2VM9HO33RU
KEGG C15228
ChEBI CHEBI:79735
ChEMBL CHEMBL1611800
Chemical data
Formula C20H26O3 

Estradiol 17β-acetate is an estrogen and an estrogen ester—specifically, the C17β acetate ester of estradiol—which was never marketed.[1][2][3] It is the C17β positional isomer of the better-known and clinically used estradiol ester estradiol acetate (estradiol 3-acetate; Femtrace).[1]

Affinities and estrogenic potencies of estrogen esters and ethers at the estrogen receptors
Estrogen Other names RBATooltip Relative binding affinity (%)a REP (%)b
ER ERα ERβ
Estradiol E2 100 100 100
Estradiol 3-sulfate E2S; E2-3S ? 0.02 0.04
Estradiol 3-glucuronide E2-3G ? 0.02 0.09
Estradiol 17β-glucuronide E2-17G ? 0.002 0.0002
Estradiol benzoate EB; Estradiol 3-benzoate 10 1.1 0.52
Estradiol 17β-acetate E2-17A 31–45 24 ?
Estradiol diacetate EDA; Estradiol 3,17β-diacetate ? 0.79 ?
Estradiol propionate EP; Estradiol 17β-propionate 19–26 2.6 ?
Estradiol valerate EV; Estradiol 17β-valerate 2–11 0.04–21 ?
Estradiol cypionate EC; Estradiol 17β-cypionate ?c 4.0 ?
Estradiol palmitate Estradiol 17β-palmitate 0 ? ?
Estradiol stearate Estradiol 17β-stearate 0 ? ?
Estrone E1; 17-Ketoestradiol 11 5.3–38 14
Estrone sulfate E1S; Estrone 3-sulfate 2 0.004 0.002
Estrone glucuronide E1G; Estrone 3-glucuronide ? <0.001 0.0006
Ethinylestradiol EE; 17α-Ethynylestradiol 100 17–150 129
Mestranol EE 3-methyl ether 1 1.3–8.2 0.16
Quinestrol EE 3-cyclopentyl ether ? 0.37 ?

See also

References

  1. 以下の位置に戻る: 1.0 1.1 Junkmann K, Witzel H (1957). "Chemie und Pharmakologie von Steroidhormon-Estern" [Chemistry and pharmacology of steroid hormone esters]. Z Vitam Horm Fermentforsch (in Deutsch). 9 (1–2): 97–143 contd. PMID 13531579.
  2. Janocko L, Larner JM, Hochberg RB (April 1984). "The interaction of C-17 esters of estradiol with the estrogen receptor". Endocrinology. 114 (4): 1180–6. doi:10.1210/endo-114-4-1180. PMID 6705734.
  3. Mu Y, Peng S, Zhang A, Wang L (February 2011). "Role of pocket flexibility in the modulation of estrogen receptor alpha by key residue arginine 394". Environ. Toxicol. Chem. 30 (2): 330–6. Bibcode:2011EnvTC..30..330M. doi:10.1002/etc.389. PMID 21038436. S2CID 22116062.



テンプレート:Steroid-stub テンプレート:Genito-urinary-drug-stub