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. 18, 1980
Filed:
Mar. 08, 1977
Applicant:
Inventors:
Burton K Wasson, Valois, CA;
Leonard M Weinstock, Belle Mead, NJ (US);
Assignee:
Merck Sharp & Dohme (I.A.) Corp., Rahway, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424250 ; 2602433 ; 424246 ; 42424856 ; 544 60 ; 544120 ; 544405 ; 544408 ; 544 586 ;
Abstract
2-(3-Substituted amino-2-hydroxypropoxy)-3-substituted pyrazine compounds optionally having substituents in the 5 and/or 6 positions, possessing .beta.-adrenergic blocking properties are described. The products are prepared by reaction of a 2-chloro(or hydroxy)pyrazine with a 5-hydroxymethyl(or sulfonyloxymethyl)oxazolidine followed by acid hydrolysis.