Merrell Dow Pharmaceuticals

Merrell Pharmaceuticals, Inc.

Aventis Pharma Limited

Tung Li

Albert A Carr

Richard C Dage

John E Koerner

Francis P Miller

Thaddeus R Nieduzak

David A Hay

Mark W Dudley

Robert A Frank

Christopher Schmidt

The invention is directed to a new class of antiarrhythmic agents of the formula: ##STR1## in which R is represented by hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, CF.sub.3, SR.sub.1, NHC(O)R.sub.2, NH.sub.2, or OH; R.sub.1 is hydrogen or C.sub.1-4 alkyl; R.sub.2 is C.sub.1-4 alkyl; X is represented by CO or CHOH; R.sub.3 and R.sub.4 are each independently represented by methyl, ethyl, n-propyl, or R.sub.3 and R.sub.4 together with the carbon atom to which they each are attached form a C.sub.5 or C.sub.6 cycloalkyl; and Alk is a C.sub.1-4 alkyl; or a pharmaceutically acceptable addition salt thereof.

Antiarrhythmic piperidin-1-yl-2,2-dialkylpropanone arylsulfonamide

The present invention is directed to a new class of piperidinyl medicinal agents which are useful for treating drug abuse.

Method of treating drug abuse

The present invention is direct to a new class of 1-piperidinyl alkanoarylsulfonamides of the formula I ##STR1## wherein R, X, m, n, and Alk are defined in the specification, and their use as antiarrhythmic agents.

1-piperidinyl alkanoylanyl sulfonamides for treatment of cardiac

The present invention is directed to a new class of piperidinyl medicinal agents which are useful as antithrombotic agents and as serotonin 5HT.sub.2 antagonists.

Antithrombotic compounds

The present invention pertains to a new class of compounds which can be characterized as 1,4-disubstituted piperidinyl compounds useful as antiarrhythmics, analgesics, and serotonin 5HT.sub.2 antagonists.

Piperidinyl compounds

Method of using 1,4-disubstituted piperidinyl compounds in the treatment

The present invention is directed to a new class of compounds useful as antiarrhythmics, analgesics and serotonin 5HT.sub.2 antagonists, which compounds have the following formula: ##STR1## wherein; Y is represented by H, CO(CH.sub.2).sub.n CH.sub.3 in which n is an integer from 0-3, or SO.sub.2 (CH.sub.2).sub.n CH.sub.3 in which n is an integer from 0--3; X is represented CO, CHOH, or C.dbd.N--O--A, wherein A is represented by hydrogen or a C.sub.1-4 alkyl; R is either selected from the group consisting of halogens, lower alkyl groups, lower alkoxy groups, and hydrogen or R is a divalent substituent and is represented by a 3,4-methylenedioxy or a 3,4-ethylenedioxy substituent; m is an integer from 1-5; and the pharmaceutically acceptable acid addition salts thereof.

N-aralkyl piperidine derivatives useful as antithrombolytic agents

The present invention is directed to a new class of piperidinyl imidazole antiarrhythmic agents and to methods for treating arrhythmias.

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Cincinnati, OH, United States of America

Tung Li