2888. Demegestone

Nomenclature

CAS number: 10116-22-0
17-Methyl-19-norpregna-4,9-diene-3,20-dione; 17α-methyl-19-nor-Δ4,9-pregnadiene-3,20-dione; 17α-methyl-Δ9-19-norprogesterone; R-2453; Lutionex (Roussel Diamant).
C21H28O2; mol wt 312.45.
C 80.72%, H 9.03%, O 10.24%.

Description and references

Prepn: NL 6517141; R. Joly et al., US 3547959 (1966, 1970 both to Roussel-UCLAF); L. Velluz et al., Tetrahedron Suppl. 8, part II, 495 (1966); R. Joly et al., Bull. Soc. Chim. Fr. 1973, 2694.

Chemical structure

Properties

Crystals from ether, mp 106°. [α]D -275° (c = 0.5 in ethanol). uv max (ethanol): 214, 302 nm (ε 6350, 21000).

Therapeutic Category

Progestogen.

Keywords

Progestogen