Patent ID: 8343964

Claim:
A method for the treatment of pathologies associated with Staphylococcus infections, comprising administering to a patient in need thereof at least one compound of formula (I): wherein: R represents a hydrogen atom, or an alkyl group comprising 1 to 7 carbon atoms, optionally substituted by a halogen; R 3 represents a hydrogen atom; R 4 and R 7 represent a hydrogen atom; R 5 , and R 6 represent independently of each other: a hydrogen atom; an alkyl group comprising 1 to 4 carbon atoms; a trifluoromethyl group; an alkoxyl group comprising 1 to 7 carbon atoms; a halogen atom of Br, Cl, F or I; an amino group NH 2 ; an N,N-dialkylamino group NR a R b , R a and R b representing independently of each other a hydrogen atom or an alkyl group comprising 1 to 4 carbon atoms; R 1 represents: an alkyl group comprising 1 to 6 carbon atoms; a —(CH 2 ) m NH-GP group, m being 1 or 2, and GP representing Boc, a —(CH 2 ) m NH 2 or —(CH 2 ) m NH 2 .X group, X representing HCl, HCOOH or HOOCCOOH, m being 1 or 2; or an aryl group comprising 6 to 10 carbon atoms, optionally substituted by an NO 2 or methoxyl group; R 2 represents: a hydrogen atom; an O − group; an OH group; COCH 2 ONH-Fmoc; or OCOCH 3 ; an alkoxyl group OR c , R c representing an alkyl group comprising 1 to 10 carbon atoms; B represents: a representing a single bond or a double bond; A representing N or N + ; wherein a represents a single bond when A represents N; and a represents a double bond when A represents N + and R 2 represents O − ; R′, R″ and R′″ representing, independently of each other: a hydrogen atom; or an alkoxyl group comprising 1 to 4 carbon atoms; or the R′ and R″ groups representing together: o, p-dimethoxyl (2,4-dimethoxyl), di-m-dimethoxyl (3,5-dimethoxyl), or m, p-dimethoxyl (3,4-dimethoxyl), and R′″ then representing a hydrogen atom; R IV representing: a hydrogen atom, GP 1 representing a Boc group; and R c representing a hydrogen atom, said compounds of formula (I) being able to be in the form of enantiomers including racemic mixtures, or in the form of salts of physiologically acceptable acids including hydrochlorides, formates or oxalates (HOOCCOOH).