9-α-substituted estratrienes as selectively active...

Details 9-α-substituted estratrienes as selectively active... 9-α-substituted estratrienes as selectively active...

2003-06-11

2008-08-19

Badio, Barbara P (Department: 1617)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

C552S624000, C514S825000, C514S843000

Reexamination Certificate

active

07414043

ABSTRACT:
This invention describes the new 9α-substituted estratrienes of general formula Iin which R3, R7, R7′, R13, R16as well as R17and R17′have the meanings that are indicated in the description and R9means a straight-chain or branched-chain, optionally partially or completely halogenated alkenyl radical with 2 to 6 carbon atoms, an ethinyl or prop-1-inyl radical, as pharmaceutical active ingredients that exhibit in vitro a higher affinity to estrogen receptor preparations from rat prostates than to estrogen receptor preparations from rat uteri and in vivo preferably a preferential action on the ovary in comparison to the uterus, their production, their therapeutic use and pharmaceutical dispensing forms that contain the new compounds.The invention also describes the use of these compounds for treating estrogen-deficiency-induced diseases and conditions.

REFERENCES:
patent: 3960841 (1976-06-01), Yukishige et al.
patent: 19906159 (2000-08-01), None

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