|Title:||3-Lower alkylcarbamylsulfonamido-4-phenylaminopyridines, n-oxides, derivatives thereof and pharmaceutical compositions containing same|
|Abstract:||This invention relates to new derivatives of pyridine having anti-inflammatory and diuretic properties. The new derivatives of pyridine may be represented by the following general formula: ##STR1## in which X represents an amino, C.sub.1 -C.sub.4 -alkylamino, oxy or thio group, R.sub.1 represents a group of the formula R.sub.3 NHCA (II), wherein A represents oxygen or sulfur, and R.sub.3 represents a C.sub.1 -C.sub.4 -alkyl, alkenyl, cycloalkyl, phenyl (which may be substituted) or R.sub.4 CO (III) group, R.sub.4 representing a phenyl group (which may be substituted), R.sub.2 represents hydrogen or a C.sub.1 -C.sub.4 alkyl group and Z represents a C.sub.1 -C.sub.4 -alkyl, methylfuryl, pyridyl or phenyl group (which may be substituted). This invention relates also to the N-oxides of the compounds of formula I, as well as to the acid and base addition salts of said compounds.|
|Inventor(s):||Delarge; Jacques E. (Dolembreux, BE), Lapiere; Charles L. (Tongeren, BE), Georges; Andre H. (Ottignies, BE)|
|Assignee:||A. Christiaens Societe Anonyme (Brussels, BE)|
Patent Claim Types:|
see list of patent claims
|Foriegn Application Priority Data|
|Foreign Country||Foreign Patent Number||Foreign Patent Date|
|United Kingdom||16836/74||Apr 17, 1974|
|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.