Estradiol distearate
Estradiol distearate (EDS), also known as estradiol dioctadecanoate, is an estrogen and an estrogen ester which was never marketed.[1][2] It is a long-acting prodrug of estradiol in the body.[2]
| Estrogen | Structure | Ester(s) | Relative mol. weight | Relative E2 contentb | logPc | ||||
|---|---|---|---|---|---|---|---|---|---|
| Position(s) | Moiet(ies) | Type | Lengtha | ||||||
| Estradiol |  | – | – | – | – | 1.00 | 1.00 | 4.0 | |
| Estradiol acetate |  | C3 | Ethanoic acid | Straight-chain fatty acid | 2 | 1.15 | 0.87 | 2.8–3.9 | |
| Estradiol benzoate |  | C3 | Benzenecarboxylic acid | Aromatic fatty acid | – (~4–5) | 1.38 | 0.72 | 4.5–5.7 | |
| Estradiol dipropionate |  | C3, C17β | Propanoic acid (×2) | Straight-chain fatty acid | 3 (×2) | 1.41 | 0.71 | 4.3 | |
| Estradiol valerate |  | C17β | Pentanoic acid | Straight-chain fatty acid | 5 | 1.31 | 0.76 | 5.8–6.0 | |
| Estradiol cypionate |  | C17β | Cyclopentylpropanoic acid | Aromatic fatty acid | – (~6) | 1.46 | 0.69 | 6.5–7.1 | |
| Estradiol benzoate butyrate |  | C3, C17β | Benzoic acid, butyric acid | Mixed fatty acid | – (~6, 2) | 1.64 | 0.61 | 5.9 | |
| Estradiol enantate |  | C17β | Heptanoic acid | Straight-chain fatty acid | 7 | 1.41 | 0.71 | 7.0 | |
| Estradiol dienantate |  | C3, C17β | Heptanoic acid (×2) | Straight-chain fatty acid | 7 (×2) | 1.82 | 0.55 | 8.1–9.1 | |
| Estradiol undecylate |  | C17β | Undecanoic acid | Straight-chain fatty acid | 11 | 1.62 | 0.62 | 9.2 | |
| Estradiol stearate |  | C17β | Octadecanoic acid | Straight-chain fatty acid | 18 | 1.98 | 0.51 | 12.2 | |
| Estradiol distearate |  | C3, C17β | Octadecanoic acid (×2) | Straight-chain fatty acid | 18 (×2) | 2.96 | 0.34 | 20.2 | |
| Estradiol sulfate |  | C3 | Sulfuric acid | Water-soluble conjugate | – | 1.29 | 0.77 | 0.3–3.8 | |
| Estradiol glucuronide | | C17β | Glucuronic acid | Water-soluble conjugate | – | 1.65 | 0.61 | 2.1–2.7 | |
| Estramustine phosphated |  | C3, C17β | Normustine, phosphoric acid | Water-soluble conjugate | – | 1.91 | 0.52 | 2.9–5.0 | |
| Polyestradiol phosphatee |  | C3–C17β | Phosphoric acid | Water-soluble conjugate | – | 1.23f | 0.81f | 2.9g | |
| Footnotes: a = Length of ester in carbon atoms for straight-chain fatty acids or approximate length of ester in carbon atoms for aromatic fatty acids. b = Relative estradiol content by weight (i.e., relative estrogenic potency). c = Experimental or predicted octanol/water partition coefficient (i.e., lipophilicity/hydrophobicity). Retrieved from PubChem and DrugBank. d = Also known as estradiol normustine phosphate. e = Polymer of estradiol phosphate (~13 repeat units). f = Relative molecular weight or estradiol content per repeat unit. g = logP of repeat unit (i.e., estradiol phosphate). Sources: See individual articles. | |||||||||
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| Clinical data | |
|---|---|
| Other names | EDS; Estradiol 3,17β-distearate; Estradiol dioctadecanoate; Estra-1,3,5(10)-triene-3,17β-diol 3,17β-dioctadecanoate |
| Identifiers | |
IUPAC name
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| Chemical and physical data | |
| Formula | C54H92O4 |
| Molar mass | 805.326 g·mol−1 |
| 3D model (JSmol) | |
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References
- Deb, Somdatta; Wähälä, Kristiina (2010). "Rapid synthesis of long chain fatty acid esters of steroids in ionic liquids with microwave irradiation: Expedient one-pot procedure for estradiol monoesters". Steroids. 75 (10): 740–744. doi:10.1016/j.steroids.2010.03.005. ISSN 0039-128X.
- Vazquez-Alcantara, Marco Aurelio; Menjivar, Marta; Garcia, Gustavo A.; Díaz-Zagoya, Juan C.; Garza-Flores, Josue (1989). "Long-acting estrogenic responses of estradiol fatty acid esters". Journal of Steroid Biochemistry. 33 (6): 1111–1118. doi:10.1016/0022-4731(89)90417-2. ISSN 0022-4731.
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