Miroestrol: Difference between revisions
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|ImageFile=Miroestrol.png |
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| Name = |
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| ImageFile=Miroestrol.png |
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| IUPACName = (3R,13S,17R,18S)-7,13,16,17-Tetrahydroxy-2,2-dimethyl-10-oxapentacyclo[14.2.1.0<sup>3,12</sup>.0<sup>4,9</sup>.0<sup>13,18</sup>]nonadeca-4,6,8,11-tetraen-14-one |
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| OtherNames=(+)-Miroestrol |
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| CASNo_Ref = {{cascite|correct|??}} |
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| SMILES=O=C4C[C@@]5(O)[C@H](O)[C@]3([H])[C@@](C5)([H])C(C)(C)[C@]2([H])C1=CC=C(O)C=C1OC=C2[C@@]34O |
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| ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}} |
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| ChemSpiderID = 144658 |
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| SMILES = CC1([C@@H]2C3=C(C=C(C=C3)O)OC=C2[C@]4([C@H]5C1CC([C@@H]5O)(CC4=O)O)O)C |
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| InChI = 1/C20H22O6/c1-18(2)11-6-19(24)7-14(22)20(25,16(11)17(19)23)12-8-26-13-5-9(21)3-4-10(13)15(12)18/h3-5,8,11,15-17,21,23-25H,6-7H2,1-2H3/t11-,15+,16-,17+,19+,20-/m0/s1 |
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| InChIKey = RJKLDOLOCIQYFS-PRTISISMBT |
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| StdInChI = 1S/C20H22O6/c1-18(2)11-6-19(24)7-14(22)20(25,16(11)17(19)23)12-8-26-13-5-9(21)3-4-10(13)15(12)18/h3-5,8,11,15-17,21,23-25H,6-7H2,1-2H3/t11-,15+,16-,17+,19+,20-/m0/s1 |
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| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}} |
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| StdInChIKey = RJKLDOLOCIQYFS-PRTISISMSA-N |
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| KEGG = C08831 |
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| Formula = C<sub>20</sub>H<sub>22</sub>O<sub>6</sub> |
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| MolarMass = 358.385 |
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'''Miroestrol''' is a [[phytoestrogen]], a plant-derived chemical that mimics the biological activity of the hormone [[estrogen]]. Miroestrol was first reportedly isolated from the Thai herb ''[[Pueraria mirifica]]'' in 1960 and thought to be responsible for the supposed rejuvenating properties of the plant.<ref>{{cite journal | title = Miroestrol - An Estrogen from the Plant ''Pueraria mirifica'' | author = Cain, J. C. | journal = Nature | year = 1960 | volume = 188 | issue = 4753 | pages = 774–777 | doi = 10.1038/188774a0 | pmid = 13689829 }}</ref> However, more recent studies have suggested that the active ingredient may actually be the closely related chemical compound deoxymiroestrol (shown below), and the reported presence of miroestrol may only have been an artifact of the isolation procedure.<ref>{{cite journal | |
'''Miroestrol''' is a [[phytoestrogen]], a plant-derived chemical that mimics the [[biological activity]] of the hormone [[estrogen]]. Miroestrol was first reportedly isolated from the Thai herb ''[[Pueraria mirifica]]'' in 1960 and thought to be responsible for the supposed rejuvenating properties of the plant.<ref>{{cite journal | title = Miroestrol - An Estrogen from the Plant ''Pueraria mirifica'' | author = Cain, J. C. | journal = Nature | year = 1960 | volume = 188 | issue = 4753 | pages = 774–777 | doi = 10.1038/188774a0 | pmid = 13689829 | s2cid = 4154375 }}</ref> However, more recent studies have suggested that the active ingredient may actually be the closely related chemical compound deoxymiroestrol (shown below), and the reported presence of miroestrol may only have been an artifact of the isolation procedure.<ref>{{cite journal |author1=Chansakaow, S. |author2=Ishikawa, T. |author3=Seki, H. |author4=Sekine, K. |author5=Okada, M. |author6=Chaichantipyuth, C. | title = Identification of Deoxymiroestrol as the Actual Rejuvenating Principle of "Kwao Keur", ''Pueraria mirifica''. The Known Miroestrol may be an Artifact | journal = Journal of Natural Products | year = 2000 | volume = 63 | issue = 2 | pages = 173–175 | doi = 10.1021/np990547v | pmid = 10691701 }}</ref> When deoxymiroestrol is exposed to the oxygen in air, it is converted to miroestrol. |
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⚫ | A comparative study of the estrogenic properties of phytoestrogens found that deoxymiroestrol |
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⚫ | A comparative study of the estrogenic properties of phytoestrogens found that both deoxymiroestrol and miroestrol were comparable in activity ''[[in vitro]]'' to other known phytoestrogens such as [[coumestrol]] as 17β-oestradiol [[agonist]]s.<ref>{{ cite journal |author1=Matsumura, A. |author2=Ghosh, A. |author3=Pope, G. S. |author4=Darbre, P. D. | title = Comparative Study of Estrogenic Properties of eight Phytoestrogens in MCF7 Human Breast Cancer Cells | journal = Journal of Steroid Biochemistry and Molecular Biology | year = 2005 | volume = 94 | issue = 5 | pages = 431–443 | doi = 10.1016/j.jsbmb.2004.12.041 | pmid = 15876408 |s2cid=25341363 }}</ref> Because of their estrogenic activities, miroestrol, deoxymiroestrol, and other related compounds have been the targets of scientific research including [[total synthesis]].<ref>{{ cite journal | authorlink1 = Elias James Corey | author1 = Corey, E. J. | author2 = Wu, L. I. | title = Enantioselective Total Synthesis of Miroestrol | journal = [[Journal of the American Chemical Society]] | year = 1993 | volume = 115 | issue = 20 | pages = 9327–9328 | doi = 10.1021/ja00073a074 }}</ref><ref>{{ cite journal |author1=Ito, F. |author2=Kumamoto, T. |author3=Yamaguchi, K. |author4=Ishikawa, T. | title = Synthetic Studies toward Miroestrols: Trials for Elongation of the Methyl Group of 5-Substituted 2-Methyl-2-Cyclohexanone to 3-Methyl-2-Butenyl Function | journal = Tetrahedron | year = 2009 | volume = 65 | issue = 4 | pages = 771–785 | doi = 10.1016/j.tet.2008.11.055 }}</ref> |
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⚫ | Extracts of ''[[Pueraria mirifica]]'' reportedly containing miroestrol are marketed as dietary supplements intended to lead to breast enhancement in women. |
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⚫ | Extracts of ''[[Pueraria mirifica]]'' reportedly containing miroestrol are marketed as dietary supplements intended to lead to breast enhancement in women. However, there is a lack of conclusive evidence for such claims. The [[Federal Trade Commission]] has taken legal action against marketers for these unproven claims.<ref>{{ cite web | url = http://www.ftc.gov/os/2002/12/vdicmp.pdf | title = Federal Trade Commission v. Vital Dynamics | date = 26 December 2002 | publisher = FTC }}</ref>{{clear left}} |
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==References== |
== References == |
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{{ |
{{Reflist}} |
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{{Estrogens and antiestrogens}} |
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{{Estrogen receptor modulators}} |
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[[Category:Phytoestrogens]] |
[[Category:Phytoestrogens]] |
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[[Category:Natural phenols]] |
[[Category:Natural phenols]] |
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[[fa:میرواسترول]] |
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[[ja:ミロエストロール]] |
Latest revision as of 07:30, 18 September 2022
Names | |
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IUPAC name
(3R,13S,17R,18S)-7,13,16,17-Tetrahydroxy-2,2-dimethyl-10-oxapentacyclo[14.2.1.03,12.04,9.013,18]nonadeca-4,6,8,11-tetraen-14-one
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Other names
(+)-Miroestrol
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
KEGG | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C20H22O6 | |
Molar mass | 358.385 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Miroestrol is a phytoestrogen, a plant-derived chemical that mimics the biological activity of the hormone estrogen. Miroestrol was first reportedly isolated from the Thai herb Pueraria mirifica in 1960 and thought to be responsible for the supposed rejuvenating properties of the plant.[1] However, more recent studies have suggested that the active ingredient may actually be the closely related chemical compound deoxymiroestrol (shown below), and the reported presence of miroestrol may only have been an artifact of the isolation procedure.[2] When deoxymiroestrol is exposed to the oxygen in air, it is converted to miroestrol.
A comparative study of the estrogenic properties of phytoestrogens found that both deoxymiroestrol and miroestrol were comparable in activity in vitro to other known phytoestrogens such as coumestrol as 17β-oestradiol agonists.[3] Because of their estrogenic activities, miroestrol, deoxymiroestrol, and other related compounds have been the targets of scientific research including total synthesis.[4][5]
Extracts of Pueraria mirifica reportedly containing miroestrol are marketed as dietary supplements intended to lead to breast enhancement in women. However, there is a lack of conclusive evidence for such claims. The Federal Trade Commission has taken legal action against marketers for these unproven claims.[6]
References
[edit]- ^ Cain, J. C. (1960). "Miroestrol - An Estrogen from the Plant Pueraria mirifica". Nature. 188 (4753): 774–777. doi:10.1038/188774a0. PMID 13689829. S2CID 4154375.
- ^ Chansakaow, S.; Ishikawa, T.; Seki, H.; Sekine, K.; Okada, M.; Chaichantipyuth, C. (2000). "Identification of Deoxymiroestrol as the Actual Rejuvenating Principle of "Kwao Keur", Pueraria mirifica. The Known Miroestrol may be an Artifact". Journal of Natural Products. 63 (2): 173–175. doi:10.1021/np990547v. PMID 10691701.
- ^ Matsumura, A.; Ghosh, A.; Pope, G. S.; Darbre, P. D. (2005). "Comparative Study of Estrogenic Properties of eight Phytoestrogens in MCF7 Human Breast Cancer Cells". Journal of Steroid Biochemistry and Molecular Biology. 94 (5): 431–443. doi:10.1016/j.jsbmb.2004.12.041. PMID 15876408. S2CID 25341363.
- ^ Corey, E. J.; Wu, L. I. (1993). "Enantioselective Total Synthesis of Miroestrol". Journal of the American Chemical Society. 115 (20): 9327–9328. doi:10.1021/ja00073a074.
- ^ Ito, F.; Kumamoto, T.; Yamaguchi, K.; Ishikawa, T. (2009). "Synthetic Studies toward Miroestrols: Trials for Elongation of the Methyl Group of 5-Substituted 2-Methyl-2-Cyclohexanone to 3-Methyl-2-Butenyl Function". Tetrahedron. 65 (4): 771–785. doi:10.1016/j.tet.2008.11.055.
- ^ "Federal Trade Commission v. Vital Dynamics" (PDF). FTC. 26 December 2002.