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:
Jul. 04, 1989
Filed:
Jul. 25, 1986
Applicant:
Inventors:
Carmelo A Gandolfi, Milan, IT;
Marco Frigerio, Milan, IT;
Silvano Spinelli, Milan, IT;
Odoardo Tofanetti, Milan, IT;
Ernesto Menta, Milan, IT;
Sergio Tognella, Milan, IT;
Assignee:
Boehringer Biochemia Robin S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514356 ; 544365 ; 544131 ; 544405 ; 514352 ; 546193 ; 546194 ; 546256 ; 546257 ; 546263 ; 546270 ; 546278 ; 546281 ; 546283 ; 546284 ; 546286 ; 546310 ; 546316 ; 546321 ; 546322 ;
Abstract
Compounds of formula I ##STR1## wherein R is hydrogen or lower alkyl; R.sub.1 is acetyl, benzoyl, cyano, nitro, carboxy, alkoxycarbonyl or aminocarbonyl groups; R.sub.2 is an optionally substituted aryl or hetaryl residue; R.sub.3 is a carboxy or alkoxycarbonyl group; A is a cyclopropyl group or a group of formula --CH.dbd.CH-- and R.sub.4 is a phenyl or heteroaryl group, optionally mono, di or tri-substituted, are useful in radical scavenging therapy.