Antiarrhythmic method utilizing fluoroalkoxy-N-piperidyl and pyridyl
申请人:Riker Laboratories, Inc.
公开号:US04005209A1
公开(公告)日:1977-01-25
Certain compounds in which a carbon atom of a pyrrolidine or piperidine ring is bonded directly or through a methylene group to the nitrogen of a substituted benzamido group, and their pharmaceutically acceptable salts, are found to be active as antiarrhythmic agents.
An improved, highly efficient method for the preparation of flecainide acetate (I) or other pharmaceutically acceptable salts of flecainide. The method involves a technique for preparing the staring material 1,4-bis (2,2,2-trifuoroethoxy) benzene (III) in high yields by reacting 4-fluoro-1-bromobenzene (VI) with TFE in the presence of a base and a copper-containing catalyst.
Pharmaceutical compositions comprising an antiarrhythmic agent for treatment of a heart condition via inhalation. Methods of treating a heart condition include administering by inhalation an effective amount of at least one antiarrhythmic pharmaceutical agent to a patient in need thereof. Nebulized drug product and kits are also disclosed.