Thiaxozle, oxazole, imidazole, isoxazole and isoxazoline compounds of the formula wherein Het is thiazole, oxazole, imidazole, isoxazole or isoxazoline, n is an integer from 0 to 6, A is selected from the various optionally substituted aromatic radicals defined in the specification, B is hydrogen, alkyl or phenyl, R1 and R2 are independently hydrogen, alkyl or cycloalkyl or R1 and R2 taken together with the carbon atom which carries them, form a carbocycle with 3 to 7 members and Ω is —NH46R47 or —OR48, R46 and R47 are independently hydrogen, alkyl, cycloalkyl or —(CH2)kCOOR51, R51 is alkyl or haloalkyl and R48 is hydrogen or alkyl having advantageous pharmacological properties which allow their use in therapeutics, for treating neurodegenerative disorders or pain.