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. 06, 1998
Filed:
Jul. 10, 1996
Applicant:
Inventors:
Joseph Armstrong Martin, Harpenden, GB;
Gareth John Thomas, Welwyn, GB;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ;
U.S. Cl.
CPC ...
514 50 ; 514 50 ; 536 2711 ; 536 274 ; 536 2854 ;
Abstract
Pyrimidine nucleoside derivatives of formula ##STR1## wherein R.sup.1 represents aryl, R.sup.2 represents lower alkyl, R.sup.3 represents an acyl group derived from an amino acid and R.sup.4 represents hydrogen or fluorine and the asterisk denotes that the configuration at the carbon atom indicated thereby is (S) or (R), are disclosed. These compounds, as well as their salts, are useful as antiviral agents.