| 摘要 |
<p>Purified form of streptogramines, characterised in that it contains at least one component from group B streptogramines of general formula (I), wherein R1 is Me or Et, R2 is H or OH, and R3 is substituted benzyl of general formula (III), such that 1) if R2 is H, R is NR4R5, wherein one of R4 and R5 is H or an Me radical and the other is Me, and R' is Cl or Br, or R is (C3-5)alkenyl if R4 and R5 are Me, or 2) R is H and R' is halogen, alkylamino or dialkylamino, an ether-oxide residue, alkylthio, (C1-3)alkyl or trihalogenomethyl, or R is halogen, (C2-4)alkylamino, (C2-4)dialkylamino or methyl ethyl amino, pyrrolidino, alkenyl alkyl amino, dialkenylamino, an alkyl cycloalkylmethyl amino radical or an ether-oxide residue, alkylthio, alkylthiomethyl, (C1-6)alkyl, aryl or trihalogenomethyl, and R' is H, or R is halogen, amino, alkylamino or dialkylamino, an ether-oxide residue, an alkylthio radical, (C1-6)alkyl or trihalogenomethyl and R' is halogen, alkylamino or dialkylamino, an ether-oxide residue or alkylthio, (C1-3)alkyl, cocrystallised with one or more minor components of group A of general formula (II) wherein R'' is H, Me or Et.</p> |
