4-substituted 6-alkylidenandrosteine-3,17-dione derivatives and process
申请人:Farmitalia Carlo Erba S.R.L.
公开号:US04822528A1
公开(公告)日:1989-04-18
The invention relates to 4-substituted 6-alkylidenandrostene-3,17-dione derivatives of the following formula ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is, independently, hydrogen or C.sub.1 -C.sub.6 alkyl; R.sub.4 is hydrogen of fluorine; (x) represents a single or double bond; and R is, especially, a hydroxy or mercapto or amino group or a functional derivative thereof. The compounds of the invention show aromatase inhibitory activity and may be useful, for instance, in the treatment of hormone-dependent tumors and of prostatic hyperplasia.
4-Substituted 6- alkylidenandrostene-3,17-dione derivatives and process for their preparation
申请人:FARMITALIA CARLO ERBA S.r.l.
公开号:EP0260975A1
公开(公告)日:1988-03-23
The invention relates to 4-substituted 6-alkylidenandros- tene-3,17-dione derivatives of the following formula
wherein each of Ri, R2 and R3 is, independently, hydrogen or C1-C6 alkyl; R4 is hydrogen or fluorine; (x) represents a single or double bond; and R is, especially, a hydroxy or mercapto or amino group or a functional derivative thereof.
The compounds of the invention show aromatase inhibitory activity and may be useful, for instance, in the treatment of hormone-dependent tumors and of prostatic hyperplasia