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:
Mar. 30, 1982
Filed:
Apr. 27, 1981
Applicant:
Inventors:
Brian W Metcalf, Mason, OH (US);
J O'Neal Johnston, Milford, OH (US);
Assignee:
Merrell Dow Pharmaceuticals Inc., Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07J / ;
U.S. Cl.
CPC ...
424242 ; 424243 ; 2602 / ; 2602 / ; 2603973 ; 2603974 ;
Abstract
Aromatase inhibitors are provided having the formula ##STR1## wherein represents a single or double bond; R is hydrogen or C.sub.1-4 alkyl; R.sup.1 is methyl or ethyl; R.sup.2 is (H) (OR.sup.8) or .dbd.O; R.sup.3 is H or C.sub.1-3 alkyl; R.sup.4 is H or OR.sup.8 ; R.sup.5 is H, C.sub.1-3 alkyl or, when the 5,6-bond is saturated, R.sup.5 is divalent .dbd.O; R.sup.6 and R.sup.7 are each H or C.sub.1-3 alkyl; and R.sup.8 is H or C.sub.2-4 alkanoyl. Intermediates useful in preparing the foregoing aromatase inhibitors, and methods of using the aromatase inhibitors of the invention are also provided.