| abstract |
The subject of the invention is the compounds of formula (I) in which X represents a CH2 or NH group, R represents a radical (CH2) nAr, N-(CH2) nAr or N = CH (CH2) nAr, in which n represents an integer included between 1 and 6 and Ar represents an aryl or heteroaryl radical, optionally substituted, the dotted lines representing a possible double bond in 2 (3), and Y represents a hydrogen atom or the remainder of an organic acid carboxylic containing up to 18 carbon atoms and their salts addition with acids. The compounds of formula (I) having antibiotic properties that allow their use as drugs. |