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. 08, 1994
Filed:
Jun. 26, 1992
Applicant:
Inventor:
Stephan Rover, Grenzach-Wyhlen, DE;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
514249 ; 514250 ; 544343 ; 544349 ; 548449 ; 548561 ; 549458 ; 549483 ;
Abstract
The novel pyrrolopyrazines of the general formula ##STR1## wherein one of R.sup.1 and R.sup.2 signifies aryl and the other signifies hydrogen, lower alkyl or aryl or R.sup.1 and R.sup.2 together with the two carbon atoms denoted by .alpha. and .beta. signify the group A; ##STR2## R.sup.3 signifies hydrogen or lower alkyl and R.sup.4 signifies hydrogen or