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|Title:||Primary aminoacylanilides, methods of making the same and use as antiarrhythmic drugs|
|Abstract:||Primary amino acylanilides of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, methyl, ethyl and propyl, R.sub.2 is selected from the group consisting of methyl, ethyl, chlorine, methoxy and ethoxy, R.sub.3 is selected from the group consisting of hydrogen and methyl, R.sub.4 is selected from the group consisting of hydrogen, methyl, and a C.sub.1 -C.sub.4 alkoxy group, R.sub.6 is selected from the group consisting of methyl, ethyl, chlorine, methoxy and ethoxy, R.sub.7 is hydrogen, methyl or ethyl, R.sub.8 is hydrogen, R.sub.9 is hydrogen, methyl or ethyl, R.sub.10 is hydrogen, and n is 0 or 1, with the provisions that (a) when n is 0, R.sub.8 can also be methyl; (b) when n is 1, and R.sub.7 is hydrogen, and R.sub.9 is hydrogen or methyl, then R.sub.10 can also be methyl; (c) when R.sub.1 is hydrogen, R.sub.2 is methyl, R.sub.3 is hydrogen, R.sub.6 is methyl, R.sub.7 is hydrogen, R.sub.8 is hydrogen, and n is 0, then R.sub.4 can be ethoxy or propoxy only; (d) when R.sub.1 is hydrogen, R.sub.2 is methyl, R.sub.3, R.sub.4, R.sub.7 and R.sub.8 are hydrogen, and n is 0, then R.sub.6 is methoxy, ethoxy, or ethyl only; and the therapeutically acceptable salts thereof. Compounds of this type have been found to be effective longlasting cardiac antiarrhythmic agents, especially when administered by the oral route.|
|Inventor(s):||Boyes; Robert N. (Auburn, MA), Duce; Benjamin R. (Westborough, MA), Smith; Emil R. (Shrewsbury, MA), Byrnes; Eugene W. (Holden, MA)|
|Assignee:||Astra Pharmaceutical Products, Inc. (Worcester, MA)|
Patent Claim Types:|
see list of patent claims
|Compound; Process; Composition;|
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
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