Patent ID: 7067549

Claim:
A pyrrolidonecarboxamide of the formula in which R 1 is phenyl which is optionally monosubstituted or disubstituted in the phenyl radical by alkyl, alkoxy, dialkylamino, halogen or trifluoromethyl; benzyl, phenylethyl or α-hydroxyphenylethyl; naphthyl or naphthylmethyl; or cycloalkyl which can optionally possess a fused-on benzene ring; R 2 is a radical of the formula X is NR 3 —; R 3 is hydrogen or alkyl; and R 4 is hydrogen or alkoxy; pharmaceutically utilizable acid addition salts of basic compounds of the formula I, pharmaceutically utilizable salts of acid compounds of the formula I with bases, pharmaceutically utilizable esters of compounds of the formula I which contain hydroxyl or carboxyl groups, and hydrates or solvates thereof.