6,6-Difluoronorethisterone

6,6-Difluoronorethisterone, also known as 6,6-difluoro-17α-ethynyl-19-nortestosterone or as 6,6-difluoro-17α-ethynylestr-4-en-17β-ol-3-one, is a steroidal progestin of the 19-nortestosterone group that was described in 1971 but was never marketed.[1][2][3] It is a fluorinated derivative of norethisterone. The C17β acetate ester, 6,6-difluoronorethisterone acetate, has also been synthesized and described.[1]

6,6-Difluoronorethisterone
Clinical data
Other names6,6-Difluoro-17α-ethynyl-19-nortestosterone; 6,6-Difluoro-17α-ethynylestr-4-en-17β-ol-3-one
Identifiers
CAS Number
Chemical and physical data
FormulaC20H24F2O2
Molar mass334.407 g·mol−1
3D model (JSmol)

References

  1. Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 522–. ISBN 978-1-4757-2085-3.
  2. Overton KH (January 1973). Terpenoids and Steroids. Royal Society of Chemistry. pp. 432–. ISBN 978-0-85186-276-7.
  3. Morrow DF, Gallo D (January 1972). "Steroids and Biologically Related Compounds.". In Pachter I (ed.). Annual Reports in Medicinal Chemistry. 7. Academic Press. pp. 182-193 (187). ISBN 978-0-08-058351-8.


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