| abstract |
The invention relates to carboxylic acid derivatives of formula I, where the radicals have the meanings stated in the description, and to the use thereof as drugs. A carboxylic acid derivative of the formula I, where the substituents have the following meanings: R is COOH; R2 is C1-C4-alkyl or C1-C4-alkoxy; X is nitrogen; Y is nitrogen; W is CH; R3 is C1-C4-alkyl or C1-C4-alkoxy; R4 is phenyl; R5 is phenyl substituted by zero to three C1-C4-alkoxy; R6 is C1-C6-alkyl, C3-C8-alkenyl, phenyl-C1-C4-alkyl (wherein phenyl may be substituted by one to three C1-C4-alkoxy, hydroxy or carboxyl), thiophenyl-C1-C4-alkyl; Z is oxygen; B is C2-C4-alkylene; Het is a heterocyclic radical of the formula Ib and the physiologically tolerated salts. |