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:
Jan. 26, 1988
Filed:
Oct. 03, 1985
Applicant:
Inventors:
Jean-Pierre Chambon, Montarnaud, FR;
Kathleen Biziere, Clapiers, FR;
Camille-Georges Wermuth, Strasbourg, FR;
Assignee:
Sanofi, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514247 ; 514248 ; 544224 ; 544238 ; 544239 ;
Abstract
The invention relates to the pyridazine derivatives of the formula: ##STR1## in which R.sub.1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a thien-2-yl group, a thien-3-yl group or an indol-3-yl group, R.sub.2 is H or an alkyl or phenyl group, R.sub.3 is H, an alkyl, or phenyl group in formula Ib and a cyano group in formula Ia, and Alk is (CH.sub.2).sub.n where n is 2, 3 or 4, or --CH.sub.2 --C.ident.C--, and X.sup.- is halide, a process for the preparation of the said products and their application as medicaments.