| abstract |
A compound selected from the group consisting of a compound of the formula <IMAGE> I wherein X is selected from the group consisting of -(NH)a-, -CH2-, -SO2- and -O-, a is 0 or 1, Y is -(CH2)m- (CH=CH)n -(CH2)o-, m+n+o</=8, n=o or 1, Ar is aryl optionally substituted with at least one member of the group consisting of -OH, halogen, -NO2, -CN, <IMAGE> and alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio, alkynylthio, -N-alkyl, -N-alkenyl and N-alkynyl of up to 12 carbon atoms, Ra and Rb individually are hydrogen or alkyl of up to 12 carbon atoms, R3 is selected from the group consisting of alkyl of 1 to 12 carbon atoms, aryl, heteroaryl, carbocyclic aryl, aryloxy, arylthio and heterocyclic aryl, heterocyclic aryloxy and heterocyclic arylthio of 5 to 6 ring members containing at least one heteroatom, Hal is halogen, Z is hydrogen or acyl of an organic carboxylic acid and their non-toxic, pharmaceutically acceptable addition salts having antibacterial properties. |