Patents Assigned to Sigma-Tau Industrie Farmceutiche Riunite S.p.A. - Justia Patents Search

Patents Assigned to Sigma-Tau Industrie Farmceutiche Riunite S.p.A.

Cyclopentanperhydrophenanthren-17.beta.-(hydroxy or alkoxy)-17.alpha.-(Aryl or heterocyclyl)-3.beta.-derivatives active on the cardiovascular system, and pharmaceutical compositions containing same

Patent number: 5521167

Abstract: The present invention relates to new cyclopentanperhydrophenanthren-17-(hydroxy or alkoxy)-17-(aryl or heterocyclyl)-3.beta.-derivatives, active on the cardiovascular system, to a process for their preparation and to pharmaceutical compositions containing them. The invention relates to compounds of general formula (I) ##STR1## wherein X is O or S and R, R.sup.1 and R.sup.2 is selected from various groups.

Type: Grant

Filed: September 29, 1993

Date of Patent: May 28, 1996

Assignee: Sigma-Tau Industrie Farmceutiche Riunite S.p.A.

Inventors: Mauro Gobbini, Mara Ferrandi, Marco Frigerio, Piero Melloni, Marco Torri, Loredana Valentino