Richter Gedeon Vegyeszeti Gyar Rt

Egis Gyogyszergyar

Klara Czako

Laszlo Jaszlits

Peter Matyus

Marton Fekete

Istvan Elekes

Endre Kasztreiner

Gyorgy Cseh

Katalin Szemeredi

Gyorgy Rabloczky

Ilona Bodi

Andras Varro

Maria Kuhar Nee Kurthy

Judit Kosary

Agnes Papp

Nandor Makk

Erzsebet Zara

Eszter Diesler

Ildiko Varga

Gyongyi Nagy Nee Csokas

Gyorgy Rablocsky

Ildiko Pribusz Nee Rapp

Laszlo Kaufer

Judit Kincsessy

Luca Levay

Gvorgy Schmidt

Aniko Miklos

Andrea Jednakovics

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##

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

The invention relates to novel 3(2H)-pyridazinone-derivatives of the general formula (I), pharmaceutical compositions containing them and process for their preparation. In the general formula (I) ##STR1## stands for an ethyl or propyl group substituted by a terminal halogen atom or a hydroxyl or NR.sup.1 R.sup.2 group, wherein

3(2H)-pyridazinones and pharmaceutical compositions thereof

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Budapest, Hungary

Klara Czako