Chemistry:Broparestrol

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Short description: Chemical compound
Broparestrol
Broparestrol.svg
Clinical data
Trade namesAcnestrol, Longestrol
Other namesLN-107; α-Bromo-α,β-diphenyl-β-p-ethylphenylethylene; BDPE
Pregnancy
category
  • X (Contraindicated)
Routes of
administration
By mouth
Drug classSelective estrogen receptor modulator
Legal status
Legal status
  • In general: ℞ (Prescription only)
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC22H19Br
Molar mass363.298 g·mol−1
3D model (JSmol)

Broparestrol (INN) (brand names Acnestrol, Longestrol; former developmental code name LN-107), also known as α-bromo-α,β-diphenyl-β-p-ethylphenylethylene (BDPE), is a synthetic, nonsteroidal selective estrogen receptor modulator (SERM) of the triphenylethylene group[1] that has been used in Europe as a dermatological agent and for the treatment of breast cancer.[2][3][4][5][6] The drug is described as slightly estrogenic[7] and potently antiestrogenic,[8][9] and inhibits mammary gland development and suppresses prolactin levels in animals.[10] It is structurally related to clomifene and diethylstilbestrol.[6][10] Broparestrol is a mixture of E- and Z- isomers (LN-1643 and LN-2299, respectively), both of which are active, and are similarly antiestrogenic but, unlike broparestrol, were never marketed.[2]

See also

References

  1. "X-ray conformation of some estrogens and their binding to uterine receptors". Journal of Steroid Biochemistry 6 (3–4): 221–5. 1975. doi:10.1016/0022-4731(75)90136-3. PMID 171486. https://books.google.com/books?id=Iq0aAwAAQBAJ&pg=PA223. 
  2. 2.0 2.1 "Broparestrol". The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. 14 November 2014. pp. 183–. ISBN 978-1-4757-2085-3. https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA183. 
  3. "Broparestrol". Drugs: Synonyms and Properties: Synonyms and Properties. Taylor & Francis. 8 May 2018. pp. 1401–1402. ISBN 978-1-351-78989-9. https://books.google.com/books?id=xUlaDwAAQBAJ&pg=PT1401. 
  4. "Broparestrol". Index Nominum 2000: International Drug Directory. Taylor & Francis. January 2000. pp. 139–. ISBN 978-3-88763-075-1. https://books.google.com/books?id=5GpcTQD_L2oC&pg=PA139. 
  5. Muller (19 June 1998). European Drug Index: European Drug Registrations (Fourth ed.). CRC Press. pp. 23–. ISBN 978-3-7692-2114-5. https://books.google.com/books?id=2HBPHmclMWIC&pg=PA23. 
  6. 6.0 6.1 Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. 6 December 2012. pp. 56–. ISBN 978-94-011-4439-1. https://books.google.com/books?id=tsjrCAAAQBAJ&pg=PA56. 
  7. "Compounds with antiestrogenic activity in vitro". Endocrinology 60 (4): 552–558. April 1957. doi:10.1210/endo-60-4-552. PMID 13414683. 
  8. Al-Hassan, Mohammed I. (1987). "Synthesis of broparestrol using palladium-catalyzed cross-coupling". Journal of Organometallic Chemistry 321 (1): 119–121. doi:10.1016/0022-328X(87)80330-3. ISSN 0022-328X. 
  9. "The medicinal chemistry of nonsteroidal antiestrogens: a review.". Current Medicinal Chemistry 1: 61-104 (95). 1994. doi:10.2174/0929867301666220210212635. https://books.google.com/books?id=JMd5FWm6GTkC&pg=PA95. 
  10. 10.0 10.1 "Inhibition of prolactin-induced mammary cancer in C3Hf (XVII) mice with the trans isomer of bromotriphenylethylene". Cancer Research 40 (5): 1674–1679. May 1980. PMID 6245799.