C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/279.4
C07D 213/75 (2006.01)
Patent
CA 1131231
Abstract of the Disclosure 3-Acyamino-5-[4(or 3)-pyridinyl]-2-(1H)-pyridinones or pharma- ceutically-acceptable acid-addition salts thereof useful as cardiotonic agents are prepared by reacting the corresponding 3-amino compound with an acylating agent providing acyl, where acyl is 2-acetoxypropanoyl, acetoacetyl or acetoxy- acetyl. Cardiotonic compositions and method for increasing cardiac contractil- ity using said 3-acylamino compounds as active component are disclosed.
367452
Lesher George Y.
Opalka Chester J.
Fetherstonhaugh & Co.
Sterling Drug Inc.
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