The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 1991
Filed:
Apr. 07, 1988
David M Stout, Libertyville, IL (US);
William L Matier, Libertyville, IL (US);
Lawrence A Black, Vernon Hills, IL (US);
The Du Pont Merck Pharmaceutical Company, Wilmington, DE (US);
Abstract
The present invention relates to new compounds of the formula ##STR1## wherein X is ##STR2## wherein R.sub.1 is hydrogen, lower alkyl, phenyl, benzyl, cinnamoyl, thiophene, furan, pyrrole, imidazole, pyrazole oxazole or thiazole; W is hydrogen or hydroxy; (Y).sub.A is positioned ortho to W and is an aminoloweralkyl having the formula --CH.sub.2 NR.sub.2 R.sub.3 where R.sub.2 and R.sub.3 are the same or different and may be lower alkyl or R.sub.2 and R.sub.3 may together with N form a pyrrolidine, piperidine or azepine ring, and A is 2; n and m are independently from 0 to 5; and R is straight or branched C.sub.1 -C.sub.10 alkyl, straight or branched C.sub.3 -C.sub.10 cycloalkyl, straight or branched C.sub.2 -C.sub.4 alkenyl or straight or branched C.sub.2 -C.sub.4 alkynyl, or a pharmaceutically acceptable salt thereof. These compounds are useful in the treatment of various cardiac arrhythmias.