Benzofurazan derivatives having antiarrhythmic properties
申请人:MERCK & CO. INC.
公开号:EP0431944A2
公开(公告)日:1991-06-12
Compounds of structural formula:
wherein R' is hydrogen or an aromatic ring system, and Q is a substituted nitrogen or a nitrogen containing heterocycle, and E is -S- or -O-, are Class III antiarrhythmic agents.
Compounds of structural formula:
wherein Ar is an aromatic ring, B is a cyclic moiety fused to Ar of 5-7 members and Q is a nitrogen containing heterocycle, are antiarrhythmic agents.