Estradiol phosphate - Misplaced Pages

Chemical compound Not to be confused with Polyestradiol phosphate. Pharmaceutical compound

Estradiol phosphate
Clinical data


Other names	Estradiol 17β-phosphate; Estra-1,3,5(10)-triene-3,17β-diol 17β-(dihydrogen phosphate); 3-Hydroxyestra-1,3,5(10)-trien-17β-yl phosphate
Drug class	Estrogen; Estrogen ester
Identifiers
IUPAC name phenanthren-17-yl] dihydrogen phosphate
CAS Number	4995-43-1
PubChem CID	66435
ChemSpider	10043883
UNII	SKL7PDP588
ChEMBL	ChEMBL1642763
CompTox Dashboard (EPA)	DTXSID6045086
Chemical and physical data
Formula	C₁₈H₂₅O₅P
Molar mass	352.367 g·mol
3D model (JSmol)	Interactive image
SMILES C12CC3(1CC2OP(=O)(O)O)CCC4=C3C=CC(=C4)O
InChI InChI=1S/C18H25O5P/c1-18-9-8-14-13-5-3-12(19)10-11(13)2-4-15(14)16(18)6-7-17(18)23-24(20,21)22/h3,5,10,14-17,19H,2,4,6-9H2,1H3,(H2,20,21,22)/t14-,15-,16+,17+,18+/m1/s1 Key:BBWXLCKRYRQQPL-ZBRFXRBCSA-N

Estradiol phosphate, or estradiol 17β-phosphate, also known as estra-1,3,5(10)-triene-3,17β-diol 17β-(dihydrogen phosphate), is an estrogen which was never marketed. It is an estrogen ester, specifically an ester of estradiol with phosphoric acid, and acts as a prodrug of estradiol in the body. It is rapidly cleaved by phosphatase enzymes into estradiol upon administration. Estradiol phosphate is contained within the chemical structures of two other estradiol esters, polyestradiol phosphate (a polymer of estradiol phosphate) and estramustine phosphate (estradiol 3-normustine 17β-phosphate), both of which have been marketed for the treatment of prostate cancer.

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Structural properties of selected estradiol esters
Estrogen	Structure	Ester(s)				Relative mol. weight	Relative E2 content	log P
Estrogen	Structure	Position(s)	Moiet(ies)	Type	Length	Relative mol. weight	Relative E2 content	log P
Estradiol		–	–	–	–	1.00	1.00	4.0
Estradiol acetate		C3	Ethanoic acid	Straight-chain fatty acid	2	1.15	0.87	4.2
Estradiol benzoate		C3	Benzoic acid	Aromatic fatty acid	– (~4–5)	1.38	0.72	4.7
Estradiol dipropionate		C3, C17β	Propanoic acid (×2)	Straight-chain fatty acid	3 (×2)	1.41	0.71	4.9
Estradiol valerate		C17β	Pentanoic acid	Straight-chain fatty acid	5	1.31	0.76	5.6–6.3
Estradiol benzoate butyrate		C3, C17β	Benzoic acid, butyric acid	Mixed fatty acid	– (~6, 2)	1.64	0.61	6.3
Estradiol cypionate		C17β	Cyclopentylpropanoic acid	Cyclic fatty acid	– (~6)	1.46	0.69	6.9
Estradiol enanthate		C17β	Heptanoic acid	Straight-chain fatty acid	7	1.41	0.71	6.7–7.3
Estradiol dienanthate		C3, C17β	Heptanoic acid (×2)	Straight-chain fatty acid	7 (×2)	1.82	0.55	8.1–10.4
Estradiol undecylate		C17β	Undecanoic acid	Straight-chain fatty acid	11	1.62	0.62	9.2–9.8
Estradiol stearate		C17β	Octadecanoic acid	Straight-chain fatty acid	18	1.98	0.51	12.2–12.4
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 phosphate		C3, C17β	Normustine, phosphoric acid	Water-soluble conjugate	–	1.91	0.52	2.9–5.0
Polyestradiol phosphate		C3–C17β	Phosphoric acid	Water-soluble conjugate	–	1.23	0.81	2.9
Footnotes: = Length of ester in carbon atoms for straight-chain fatty acids or approximate length of ester in carbon atoms for aromatic or cyclic fatty acids. = Relative estradiol content by weight (i.e., relative estrogenic exposure). = Experimental or predicted octanol/water partition coefficient (i.e., lipophilicity/hydrophobicity). Retrieved from PubChem, ChemSpider, and DrugBank. = Also known as estradiol normustine phosphate. = Polymer of estradiol phosphate (~13 repeat units). = Relative molecular weight or estradiol content per repeat unit. = log P of repeat unit (i.e., estradiol phosphate). Sources: See individual articles.

References

^ Cavalli F, Kaye SB, Hansen HH, Armitage JO, Piccart-Gebhart M (12 September 2009). "Appendix: Endocrine Therapies". Textbook of Medical Oncology (Fourth ed.). CRC Press. pp. 442–. ISBN 978-0-203-09289-7.
^ Gunnarsson PO, Norlén BJ (1988). "Clinical pharmacology of polyestradiol phosphate". The Prostate. 13 (4): 299–304. doi:10.1002/pros.2990130405. PMID 3217277. S2CID 33063805.
Abbou CC, Beaumont V, Chopin D, Deburge JP, Beaumont JL, Auvert J (29 June 2013). "Treatment of prostatic cancer with diethylstilboestrol and detection of the vascular risk". In Smith PH (ed.). Cancer of the Prostate and Kidney. Springer Science & Business Media. pp. 359–. ISBN 978-1-4684-4349-3.

Salts and covalent derivatives of the estradiol ion

HOE2OH

various

NaOE2OH

HOE2O₄PH₂
H₂PO₄E2O₄PH₂?
(OE2O₃PH)_n

HSO₄E2OH
HSO₄E2O₄SH

ClE2OH
ClE2Cl?

KOE2OH?

MnO₄E2OH

HSeO₄E2OH

RbOE2OH?

HMoO₄E2OH

v t e Estradiol
Topics	Estradiol (as a hormone) Estradiol (as a medication) Pharmacodynamics of estradiol Pharmacokinetics of estradiol Estrogen (as a hormone) Estrogen (as a medication) Menopausal hormone therapy Feminizing hormone therapy Estradiol-containing birth control pill Combined injectable birth control High-dose estrogen Hydroxylation of estradiol
Esters	Estradiol acetate Estradiol acetylsalicylate Estradiol anthranilate Estradiol benzoate butyrate Estradiol benzoate cyclooctenyl ether Estradiol benzoate Estradiol butyrylacetate Estradiol cyclooctyl acetate Estradiol cypionate Estradiol decanoate Estradiol diacetate Estradiol dibutyrate Estradiol dienantate Estradiol dipropionate Estradiol distearate Estradiol disulfate Estradiol diundecylate Estradiol diundecylenate Estradiol enantate Estradiol furoate Estradiol glucuronide Estradiol hemisuccinate Estradiol hexahydrobenzoate Estradiol monopropionate Estradiol mustard Estradiol palmitate Estradiol phenylpropionate Estradiol phosphate Estradiol pivalate Estradiol propoxyphenylpropionate Estradiol salicylate Estradiol stearate Estradiol sulfamate Estradiol sulfate Estradiol undecylate Estradiol undecylenate Estradiol valerate Estramustine phosphate (estradiol normustine phosphate) Estrogen ester Polyestradiol phosphate
Related	Estrone Estriol Estetrol Ethinylestradiol Conjugated estrogens Esterified estrogens Estrone sulfate Estropipate (piperazine estrone sulfate)

Estrogen receptor modulators

ERTooltip Estrogen receptor

Agonists

Unknown/unsorted: ERB-26
ERA-45
ERB-79
ZK-283197

Xenoestrogens: Anise-related (e.g., anethole, anol, dianethole, dianol, photoanethole)
Chalconoids (e.g., isoliquiritigenin, phloretin, phlorizin (phloridzin), wedelolactone)
Coumestans (e.g., coumestrol, psoralidin)
Flavonoids (incl. 7,8-DHF, 8-prenylnaringenin, apigenin, baicalein, baicalin, biochanin A, calycosin, catechin, daidzein, daidzin, ECG, EGCG, epicatechin, equol, formononetin, glabrene, glabridin, genistein, genistin, glycitein, kaempferol, liquiritigenin, mirificin, myricetin, naringenin, penduletin, pinocembrin, prunetin, puerarin, quercetin, tectoridin, tectorigenin)
Lavender oil
Lignans (e.g., enterodiol, enterolactone, nyasol (cis-hinokiresinol))
Metalloestrogens (e.g., cadmium)
Pesticides (e.g., alternariol, dieldrin, endosulfan, fenarimol, HPTE, methiocarb, methoxychlor, triclocarban, triclosan)
Phytosteroids (e.g., digitoxin (digitalis), diosgenin, guggulsterone)
Phytosterols (e.g., β-sitosterol, campesterol, stigmasterol)
Resorcylic acid lactones (e.g., zearalanone, α-zearalenol, β-zearalenol, zearalenone, zeranol (α-zearalanol), taleranol (teranol, β-zearalanol))
Steroid-like (e.g., deoxymiroestrol, miroestrol)
Stilbenoids (e.g., resveratrol, rhaponticin)
Synthetic xenoestrogens (e.g., alkylphenols, bisphenols (e.g., BPA, BPF, BPS), DDT, parabens, PBBs, PHBA, phthalates, PCBs)
Others (e.g., agnuside, rotundifuran)

Mixed
(SERMsTooltip Selective estrogen receptor modulators)

Antagonists

Coregulator-binding modulators: ERX-11

Noncompetitive inhibitors: Trilostane

GPERTooltip G protein-coupled estrogen receptor

Agonists	2-Methoxyestradiol 7β-Hydroxyepiandrosterone Afimoxifene (4-hydroxytamoxifen) Aldosterone Atrazine Bisphenol A Daidzein DDT (p,p'-DDT, o',p'-DDE) Diarylpropionitrile Equol Estradiol Ethinylestradiol Fulvestrant (ICI-182780) G-1 Genistein GPER-L1 GPER-L2 Hydroxytyrosol Kepone Niacin Niacinamide Nonylphenol Oleuropein PCBs (2,2',5'-PCB-4-OH) Propylpyrazoletriol Quercetin Raloxifene Resveratrol STX Tamoxifen Tectoridin
Antagonists	CCL18 Estriol G-15 G-36 MIBE
Unknown	Diethylstilbestrol Zearalenone

See also: Receptor/signaling modulators; Estrogens and antiestrogens; Androgen receptor modulators; Progesterone receptor modulators; List of estrogens

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References