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Last Updated: March 28, 2024

Details for Patent: 4,237,068


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Summary for Patent: 4,237,068
Title: Primary aminoacylanilides
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)
Application Number:05/929,916
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 4,237,068

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 4,237,068

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Argentina 193748 ⤷  Try a Trial
Argentina 205617 ⤷  Try a Trial
Argentina 211695 ⤷  Try a Trial
Austria 317185 ⤷  Try a Trial
Austria 338254 ⤷  Try a Trial
Austria 339285 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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