| abstract |
The invention relates to novel, antibacterially active piperidine derivatives of the formula (I) wherein one of U and V represents N, the other represents N or CH; M represents CH2CH2, CH=CH, CH(OH)CH(OH), CH(OH)CH2, CH(NH2)CH2, COCH2 or OCH2; R1 represents alkyl, haloalkyl, alkoxy, haloalkoxy, halogen or cyano; R2 represents hydrogen or halogen; R3 represents carboxy, carboxamido, alkylaminocarbonyl, hydroxy, aminocarbonyloxy, 2-tetrazolyl or 3-methyl-1,2,4-oxadiazol-5-yl; R4 represents alkyl, (C1-C4)alkoxy-(C1-C4)alkyl, haloalkyl, alkenyl, arylalkyl, aryl-S(O)m-alkyl, heteroarylalkyl, heteroarylaminocarbonylalkyl, heteroaryl-S(O)m-alkyl, CH2-CH=CHaryl or cycloalkyl-S(O)m-alkyl; n is an integer from 0 to 3; and m is 0o r2. |