Gyogyszerkutato Intezet Kft.

Egis Gyogyszergyar

Erzsebet Zara

Peter Matyus

Agnes Papp

Antal Simay

Ferenc Andrasi

Lajos Toldy

Katalin Goldschmidt

Laszlo Sebestyen

Zsuzsanna Fittler

Istvan Sziraki

Eva Gal

Lajos Farkas

Valeria Vitkoczi

Eszter Hodula

Klara Sutka

Marta Rusz

Ildiko Mathe

Marton Fekete

Laszlo Jaszlits

Katalin Szemeredi

Gyorgy Rabloczky

Ilona Bodi

Andras Varro

Ildiko Varga

Klara Czako

Luca Levay

Gvorgy Schmidt

Aniko Miklos

Andrea Jednakovics

An N-benzoylamino acid compound of the formula (I), ##STR1## wherein R.sup.3 is an NR.sup.4 R.sup.5 group where R.sup.4 and R.sup.5 which are the same or different are selected from the group consisting of hydrogen, a hydroxyl group, a C.sub.1-12 alkyl group, a C.sub.1-4 alkyl group substituted by a hydroxyl group and a C.sub.1-4 alkyl group substituted by an amino group;

N-benzoylamino acid derivatives, pharmaceutical compositions containing

The invention relates to novel N-benzoylamino acid derivatives of the general formula (I), ##STR1## wherein R.sup.1 and R.sup.2, which are the same or different, stand for a hydroxyl group optionally bearing an acetyl group; or a C.sub.1-6 alkoxy group optionally substituted by a phenyl group;

N-benzoyl amino acid derivatives pharmaceutical compositions containing

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

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Budapest, Hungary

Erzsebet Zara