Estra-1,3,5(10)-triene derivatives

Details Estra-1,3,5(10)-triene derivatives Estra-1,3,5(10)-triene derivatives

2005-10-11

2005-10-11

Badio, Barbara P. (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

C514S176000, C514S182000, C540S107000, C540S108000, C540S109000, C540S110000, C540S114000, C552S555000, C552S558000, C552S611000

Reexamination Certificate

active

06953785

ABSTRACT:
Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I):{wherein R1and R2are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3represents a hydrogen atom etc.; R4represents a hydrogen atom etc.; R5represents a hydrogen atom etc.; R6represents a cyano group, an amino group, COR53(wherein R53represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.

REFERENCES:
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