The invention relates to disubstituted tetrahydrofuranyl compounds of general formula (I), wherein the variables R1, R2 and X are defined as below, to the enantiomers, diastereomers, mixtures and salts thereof, especially the physiologically acceptable salts thereof with organic or inorganic acids or bases, which have valuable properties, to methods for producing the same, to the drugs containing the pharmacologically active compounds and to the production and use thereof.