Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sanofi Aventis France
Original Assignee
Sterling Drug Inc
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Filing date
Publication date
Priority claimed from US06/204,726external-prioritypatent/US4312875A/en
Application filed by Sterling Drug IncfiledCriticalSterling Drug Inc
Application grantedgrantedCritical
Publication of CA1142941ApublicationCriticalpatent/CA1142941A/fr
CA000374045A1980-11-061981-03-275-(pyridynyl)-6-alkyl-2(1h)-pyridinones, leur preparation et leur utilisation comme cardiotoniques
ExpiredCA1142941A
(fr)
5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof
5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof
Process for preparing 3-amino-5-(pyridinyl)-2(1H)-pyridinones via N-hydroxy-1,2-dihydro-2-oxo-5-(pyridinyl)-nicotinimidamide by reaction with polyphosphoric acid