Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1977-03-08
1980-03-18
Rollins, Alton D.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
2602433, 424246, 42424856, 544 60, 544120, 544405, 544408, 544 586, A61K 31495, C07D24118
Patent
active
041939956
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.
REFERENCES:
patent: 4027027 (1977-05-01), Jaeggi et al.
Wasson Burton K.
Weinstock Leonard M.
Jones Lisa
Merck Sharp & Dohme (I.A.) Corp.
Rollins Alton D.
Szura Daniel T.
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