US 5,395,934 A · 3(2H)-pyridazinone derivatives and process for the preparation thereof

3(2H)-pyridazinone derivatives and process for the preparation thereof

AssigneeEgis Gyogyszergyar

InventorsPeter Matyus, Klara Czako, Ildiko Varga, Andrea Jednakovics, Agnes Papp, Ilona Bodi, Gyorgy Rabloczky, Andras Varro, Laszlo Jaszlits, Aniko Miklos, Luca Levay, Gvorgy Schmidt, Marton Fekete, Maria Kurthy, Katalin Szemeredi, Erzsebet Zara

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Abstract

Racemic or optically active new 3(2H)-pyridazinone derivatives, a process for the preparation thereof, pharmaceutical compositions comprising the same, to the use of the said 3(2H)-pyridazinone derivatives for the treatment of diseases and for the preparation of pharmaceutical compositions suitable for the treatment of diseases. The new 3(2H)-pyridazinone derivatives according to the invention correspond to the general formula (I), ##STR1##

Claims5

Dependent claims

A racemic or optically active 3(2H)-pyridazinone which is

5-chloro-2-(2-(N,N-diethylamino)-ethyl)-4-(3-(N-(2-(3,4-dimethoxyphenyl)-et hyl)-N-methylamino)-propylamino)-3(2H)-pyridazinone,
5-chloro-4-(3-(N-(2-(3,4-dimethoxyphenyl)-ethyl)-N-methylamino)-propylamino )-2-(4-((methylsulfonyl)-amino)-benzyl)-3-(2H)-pyridazinone, or
5-chloro-4-(3-(N-(2-(4-((methylsulfonyl)-amino)-phenoxy)-ethyl)-N-methylami no)-propylamino)-3(2H)-pyridazinone.

Dependencies are inferred from the claim text.