Proactively manage your pharmacy inventory
Manage your formulary budget
Find generic entry opportunities
Deep knowledge on
small-molecule drugs and
the 110,000 global patents
Anticipate generic drug launch
Drug patents …
… from Kazakhstan to Kalamazoo
|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
|Country||Document Number||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
| This preview shows a limited data set|
Subscribe for full access, or try a Trial
The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
Export unavailable in trial.
Subscribe for complete access.