Patent ID: 7015196

Claim:
Compounds having general formula (I): in which: X may be CH 2 , O, S, or SO; Y is CH 2 —CO—NH or CO; R and R 1 , same or different from one another, represent an H or halogen group selected from the group consisting of fluorine, chlorine, bromine, and iodine; including the respective diastereoisomers and their mixtures; with the proviso that when Y is CH 2 —CO—NH, X is CH 2 , and R and R 1 are H, then the stereochemistry of the carbon atom linked to Y is of the R type; and the pharmaceutically acceptable salts of the compounds of general formula (I) with organic and inorganic acids selected from the group consisting of hydrochloric acid, hydrobromic acid, sulphuric acid, phosphoric acid, carbonic acid, acetic acid, trifluoroacetic acid, trichloroacetic acid, oxalic acid, malonic acid, malic acid, succinic acid, tartaric acid, citric acid, methanesulphonic acid, and p-toluenesulphonic acid.