Hoechst Aktiengesellschaft

Volkmar Gunzler

Dietrich Brocks

Hartmut Hanauske-Abel

Stephan Henke

Martin Bickel

Harald Burghard

Georg Tschank

Jurgen Mohr

Ekkehard Baader

Volker Teetz

Kari I Kivirikko

Kari Majamaa

The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings given, a process for the preparation of these compounds and their use, in particular in medicaments for influencing the metabolism of collagen and collagen-like substances or the biosynthesis of Cl.sub.q.

Pharmaceutical use of pyridine-2,4- and -2,5-dicarboxylic acid amides

The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, 3.sup.3, R.sup.4 and X have the meanings given, a process for the preparation of these compounds and their use, in particular in medicaments for influencing the metabolism of collagen and collagen-like substances or the biosynthesis of Cl.sub.q.

Medicaments based on pyridine-2,4- and 2,5-dicarboxylic acid amides

The invention relates to compounds of the formula ##STR1## in which A denotes an optionally substituted radical from the series comprising alkyl, acyl, cycloalkyl, aryl and heteroaryl; A.sub.1 represents CO, CS, C=NH, CN-alkyl, CN-O-alkyl, SO, optionally substituted CH.sub.2 or a bond; A.sub.2 represents NH, NCH.sub.3, O, CH.sub.2 or a bond; E represents CHOH, CO, SO or optionally N-substituted C=NH; A.sub.3 represents O, NH, NCH.sub.3 or a bond; R.sup.4 denotes an optionally substituted radical from the series comprising alkyl, cycloalkyl, aryl and heteroaryl; and R.sup.8 denotes hydrogen or optionally substituted alkyl, to a process for their preparation, and to their use as inhibitors of prolyl hydroxylase.

2,3-disubstituted isoxazolidines, agents containing them and their use

The invention relates to substituted pyridine-2,4-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1 and R.sup.2 have the meanings given. The invention also relates to a process for the preparation of the abovementioned compounds and to their use as medicaments, in particular as fibrosuppressants and immunosuppressants.

Substituted pyridine-2,4-dicarboxylic acid compounds and the use thereof

The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2 and X have the meanings given, a process for the preparation of these compounds and their use, in particular in medicaments for influencing the metabolism of collagen and collagen-like substances or the biosynthesis of C1.sub.q.

Pyridine-2,4- and -2,5-dicarboxylic acid derivatives and medicaments

Pyridine-2,4- and -2,5-dicarboxylic acid amides and their medicinal

Substituted pyridine-2,4-dicarboxylic acid compounds and methods of use

The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings given, a process for the preparation of these compounds and their use, in particular in medicaments for influencing the metabolism of collagen and collagne-like substances or the biosynthesis of Cl.sub.q.

Pyridine-2,4-and -2,5-dicarboxylic acid amides and medicaments based on

Substituted pyridine-2,4-dicarboxylic acid derivatives and medicaments

Pyridine-2,4- and 2,5-dicarboxylic acid derivatives, a process for their preparation, the use thereof, and medicaments based on these compounds. The invention relates to pyridine-2,4- and -2,5-dicarboxylic acid derivatives of the formula I ##STR1## in which R.sup.1, R.sup.2 and X have the indicated meanings, to a process for the preparation of these compounds, and to their use, in particular in medicaments for influencing the metabolism of collagen and collagen-like substances and the biosynthesis of C1q.

Pyridine-2,4- and 2,5-dicarboxylic acid derivatives, a process for their

The invention relates to peptide derivatives of the formula ##STR1## in which ##STR2## represents an acyl radical, B represents the radical of a dipeptide composed of a N.sup..omega. -acylated basic .alpha.-amino acid and another .alpha.-amino acid, and W represents hydroxyl or optionally substituted amino, to a process for their preparation, to agents containing them, and to their use.

Peptide derivatives having an inhibitory action on hydroxylating

Esters of pyridine-2,4- and -2,5-dicarboxylic acid act as inhibitors of proline hydroxylase and lysine hydroxylase and are suitable as fibrosuppressants and immunosuppressants, in particular for the treatment of disturbances of the metabolism of collagen and collagen-like substances and of the biosynthesis of Cl.sub.q.

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Marburg-Cappel, Germany

Volkmar Gunzler