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:
Feb. 24, 1998
Filed:
Nov. 03, 1995
Piero Melloni, Bresso, IT;
Luigi Bernardi, Milan, IT;
Mara Ferrandi, Milan, IT;
Marco Frigerio, Milan, IT;
Marina Mauro, Milan, IT;
Luisa Quadri, Cernusco, IT;
Abstract
17-Aryl -5.alpha.,14.beta.-androstane, androstene and androstadiene derivatives of formula (I): ##STR1## wherein the symbol --- represents a single or a double bond; when the double bond is not present in the 4 or 5 position, the hydrogen in position 5 has the .alpha. configuration; Y is oxygen or guanidinoimino, when --- in position 3 is a double bond; Y is hydroxy, OR.sup.2 or SR.sup.2, when in position 3 is a single bond and has an .alpha. or .beta. configuration; R is a substituted or unsubstituted aryl ring; and R.sup.1 is hydrogen, methyl, ethyl or n-propyl substituted by OH or NR.sup.4 R.sup.5.