| abstract |
A group B derivative of the streptogramins of the general formula: in which: R represents a radical NR1R2 or SR3, in which: R1 and R2 are identical or different and represent a hydrogen atom, an alkyl radical (with 1 at 8 carbon atoms), optionally substituted by hydroxy, alkenyl (with 3 to 8 carbon atoms), cycloalkyl (with 3 to 8 carbon atoms), alkyloxy (with 1 to 8 carbon atoms), dialkylamino, optionally substituted phenylalkyl [by one or several halogen atoms or alkyl, hydroxyalkyl, alkyloxy or dialkylamino radicals], saturated or unsaturated heterocyclyl alkyl (with 3 to 8 links) containing 1 or several heteroatoms chosen from nitrogen, sulfur or oxygen, or dialkylaminoalkyl. |