3474. Dydrogesterone

Nomenclature

CAS number: 152-62-5
(9β,10α)-Pregna-4,6-diene-3,20-dione; 10α-pregna-4,6-diene-3,20-dione; 6-dehydro-retro-progesterone; 10α-isopregnenone; Dufaston (ISM); Duphaston (Roxane); Gynorest (Mead Johnson); Prodel; Retrone.
C21H28O2; mol wt 312.45.
C 80.72%, H 9.03%, O 10.24%.

Description and references

Prepn: Westerhof, Reerink, Rec. Trav. Chim. 79, 771 (1960); Rappoldt, Westerhof, ibid. 80, 43 (1961).

Chemical structure

Properties

Crystals from acetone + hexane, mp 169-170°. [α]D25 -484.5° (chloroform). uv max: 286.5 nm (ε 26400).

Therapeutic Category

Progestogen.

Keywords

Progestogen