The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 1994
Filed:
Sep. 30, 1992
Michel Biollaz, Binningen, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Compounds of the formula ##STR1## wherein carbon atoms 1 and 2 are linked by a single bond or a double bond, R.sub.1 is hydrogen, methyl or ethyl, and A is a group of the formula --N(--R.sub.2)--X-- wherein R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl and X is C.sub.1 -C.sub.12 alkylene or C.sub.3 -C.sub.6 cycloalkylidene; a group of the formula --N(--R.sub.2)--Y--Phe-- wherein R.sub.2 is as defined above, Y is a direct bond or C.sub.1 -C.sub.6 -alkylene and Phe is an unsubstituted or substituted phenylene radical; a group of the formula --O--X-- wherein X is as defined above, or a group --O--Y--Phe-- wherein Y and Phe are as defined above, are inhibitors of 5.alpha.-reductase and can be used for the therapeutic treatment of the human and animal body.