| abstract |
Compounds of the general formula <IMAGE> (R1 represents 3,4-methylenedioxyphenyl; phenyl; phenyl mono-, di-, or tri-substituted by (C1-C8) alkyl, (C1-C8) alkoxy, hydroxy, halogen, trifluoromethyl, or phenyl; or 1- or 2-naphthyl; R2 and R3 independently represent hydrogen or (C1-C4) alkyl; and X represents oxygen, sulfur, sulfinyl or sulfonyl) and their salts are useful for the treatment of depression and, co-administered with L-dopa, in the treatment of Parkinsonism.n[GB2162518A] |