1,4-Dihydro-3 (2H)-isoquinolinone derivatives
AssigneeEgyt Gyogyszervegyeszeti Gyar
InventorsGyula Deak, Margit Doda, Lajos Gyorgy, Laszlo Hazai, Klara Pfeifer, deceased
Life of this patent
Estimating the term…
Abstract
Compounds of the formula ##SPC1## Wherein R.sub.1 and R.sub.2 each represent hydrogen or a straight-chained or branched C.sub.1.sub.-3 alkyl group, R stands for hydrogen or a straight-chained or branched C.sub.1.sub.-4 alkyl group, R.sub.3 stands for hydrogen or a straight-chained or branched C.sub.1.sub.-4 alkyl group. The new compounds of formula (I) possess valuable pharmacological properties, and act, primarily, on the central nervous system. Thus they can be used in the therapy first of all as the active agents of anticonvulsive medicines.
Claims3
A compound of the formula ##SPC5##
- wherein
- R.sub.1 and R.sub.2 each represent hydrogen or a straight-chained or branched C.sub.1-3 alkyl group,
- R stands for hydrogen or a straight-chained or branched C.sub.1-4 alkyl group,
- R.sub.3 stands for hydrogen or a straight-chained or branched C.sub.1-4 alkyl group and
- R and R.sub.3 may form together with the adjacent nitrogen atom pyrrolidino, piperidino or merphalino,
- m is one,
- or a pharmaceutically acceptable acid addition salt thereof.
1,4-Dihydro-1-(4'-/ethylaminoacetyl/-aminophenyl)-3(2H)-isoquinolinone.
Dependencies are inferred from the claim text.