| abstract |
A subject of the invention is the compounds of formula (I), in which Y represents a hydrogen atom or a fluorine atom, n represents an integer comprised between 1 and 8, Z represents a hydrogen atom or the remainder of a carboxylic acid, optionally substituted on the heterocycle by one or more alkyl, alkenyl, alkynyl, O-alkyl, O-alkenyl, O-alkynyl, S-alkyl, S-alkenyl, S-alkynyl radicals containing up to 8 carbon atoms, one or more OH, NH2, C = N, NO2, CF3 radicals or one or more aryl radicals containing up to 14 carbon atoms or heteroaryl radicals containing one, or more nitrogen oxygen or sulphur atoms, the aryl or heteroaryl radicals themselves being able to be substituted as well as their addition salts with acids. The products of formula (I) have antibiotic properties. |