| abstract |
Piperidine derivatives of formula (SEE FORMULA) wherein A is a radical of formula -CH2-CH2- (a-1), -CH2-CH2-CH2- (a-2), or -CH2-CH2-CH2-CH2- (a-3), wherein one or two hydrogen atoms in said radicals (a-1) to (a-3) may be replaced by a C1-6alkyl radical; R1 is hydrogen or halo; R2 is hydrogen, amino, mono or di(C1-6alkyl)amino or C1-6alkylcarbonylamino; R3 is hydrogen or C1-6alkyl; L is C3-6cycloalkyl, C5-6cycloalkanone, C3-6alkenyl optionally substituted with aryl, or L is a radical of formula -Alk-R4 (b-1), -Alk-X-R5 (b-2), -Alk-Y-C(=O)-R7 (b-3), or -Alk-Y-C(=O)NR9R10 (b-4), the N-oxide foams, addition salts and stereochemically isomeric form thereof, said compounds having gastrointestinal motility stimulating properties pharmaceutical compositions containing these compounds as active ingredient, and a method of preparing said compounds and pharmaceutical compositions. |