Amidomethyl substituted 1-(carboxyalkyl)-cyclopentylcarbonylamino-benzazepine-N-acetic acid derivatives, process and intermediate products for their preparation and medicaments containing these compou

Amidomethyl substituted 1-(carboxyalkyl)-cyclopentylcarbonylamino-benzazepine-n-acetic acid derivatives (I) and their salts are new. Amidomethyl substituted 1-(carboxyalkyl)-cyclopentylcarbonylamino-benzazepine-n-acetic acid derivatives of formula (I) and their salts are new. [Image] R 1>, R 4>H or a group forming a biolabile ester; and either R 2>H, 1-4C alkyl or 1-4C hydroxyalkyl (where the OH is optionally esterified with 2-4C alkanoyl or an amino acid residue); and R 3>1-4C alkyl, 1-4C alkoxy-1-4C alkyl; 1-4C hydroxyalkyl (optionally substituted by a second hydroxyl group and the hydroxyl groups of which are each optionally esterified with 2-4C alkanoyl or an amino acid residue); (0-4C alkyl) 2amino-1-6C alkyl, 3-7C cycloalkyl(1-4C alkyl), phenyl-1-4C alkyl or phenylcarbonylmethyl (where the phenyl group is optionally substituted 1-2 times by 1-4C alkyl, 1-4C alkoxy and/or halo), naphthyl-1-4C alkyl, 3-6C oxoalkyl or 2-oxoazepanyl; or R 2> + R 3>4-7C alkylene (where the methylene groups are optionally rep