The present invention A is the formula (II), (III), (IV) or (V) and; X is O or S; G and D are independently nitrogen or carbon, provided that G, D or E of only one nitrogen; E is N or CR _4, and; R ₁ is hydrogen or methyl; R ₂ is hydrogen or fluoro; R ₃ is hydrogen, halogen, C ₁ to C _{3 alkyl, -OR 5, -CN, -CONH 2} , -CO 2 R 5, -NR 5 R 6, or a halogen, C ₁ to C ₃ alkyl, -NO ₂ , -CN, or -OCH by one to three of the _three substituents optionally substituted phenyl; R ₄ is hydrogen, halogen, C ₁ to C _{3 alkyl, -OR 5, -CN, -CONH 2} , -CO 2 R 5, -NR 5 R 6, or a halogen, C ₁ to C ₃ alkyl, -NO ₂ , -CN, or -OCH by one to three of the _three substituents or optionally substituted phenyl; R ₂ and R ₃ Or R ₃ and R ₄ together is halogen, C ₁ to C ₃ alkyl, -NO _2, -CN or -OCH may represent a fused phenyl ring optionally substituted with one or two substituents of the _three and; R ₅ and R ₆ are independently hydrogen or C ₁ to C ₃ alkyl, or a enantiomers, their pharmaceutically acceptable salts of formula (I), processes for their preparation, compositions and treatment containing them applications, in particular spirit as well as the treatment or prevention of disorders and damage to intelligence failures, the present invention relates to the use of the intermediates and intermediates during synthesis. <Formula I> <Formula II> <Formula III> <Formula IV> <Formula V>