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:
Jun. 19, 1990
Filed:
Jul. 28, 1987
Applicant:
Inventors:
Marco Frigerio, Milan, IT;
Carlo Riva, Milan, IT;
Andrea Zaliani, Milan, IT;
Carmelo A Gandolfi, Milan, IT;
Odoardo Tofanetti, Milan, IT;
Sergio Tognella, Milan, IT;
Assignee:
Boehringer Mannheim Italia, S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514356 ; 514343 ; 514255 ; 514318 ; 5142278 ; 5142372 ; 546321 ; 546194 ; 546281 ; 544131 ; 544 584 ; 544365 ;
Abstract
Compounds of formula I wherein R.sub.1 is an alkoxy carbonyl, aminocarbonyl, acetyl, benzyl, cyano or nitro group; R.sub.2 is as optionally substituted phenyl, aryl, hetaryl residue; R.sub.3 is an alkoxy-carbonyl group, X is an oxygen or sulphur atom, R.sub.4 is hydrogen, an optionally substituted alkyl, cycloalkyl, alkenyl group, Y is a single bond oxygen, sulphur or substituted nitrogen atom. Compounds of formula I are prepared by acylation from a 2-mercaptomethyl-1,4-dihydropyridine and are useful in therapy.