6,6-Difluoronorethisterone acetate

6,6-Difluoronorethisterone acetate

Clinical data
Other names	6,6-Difluoro-17α-ethynyl-19-nortestosterone 17β-acetate; 6,6-Difluoro-17α-ethynylestr-4-en-17β-ol-3-one 17β-acetate
Drug class	Progestogen; Progestogen ester
Identifiers
IUPAC name (1S,2R,10R,11S,14S,15S)-14-Ethynyl-8,8-difluoro-15-methyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadec-6-en-14-yl acetate
CAS Number	27189-18-0
Chemical and physical data
Formula	C22H26F2O3
Molar mass	376.444 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC(=O)O[C@@]1(CC[C@H]2[C@@H]3CC(F)(F)C4=CC(=O)CC[C@@H]4[C@H]3CC[C@]12C)C#C
InChI InChI=1S/C22H26F2O3/c1-4-21(27-13(2)25)10-8-18-17-12-22(23,24)19-11-14(26)5-6-16(19)15(17)7-9-20(18,21)3/h1,11,15-18H,5-10,12H2,2-3H3/t15-,16-,17-,18+,20?,21-/m1/s1 Key:BPHXPNIAOQRMIY-QHGTWEGNSA-N

6,6-Difluoronorethisterone acetate, also known as 6,6-difluoro-17α-ethynyl-19-nortestosterone 17β-acetate or as 6,6-difluoro-17α-ethynylestr-4-en-17β-ol-3-one 17β-acetate, is a steroidal progestin of the 19-nortestosterone group which was never marketed. In comparison to other steroids, is the C17β acetate ester of 6,6-difluoronorethisterone and the 6,6-difluoro analog of norethisterone acetate.

See also

• List of progestogen esters