申请人:Roussel Uclaf
公开号:US05455238A1
公开(公告)日:1995-10-03
A syn isomer in (R) or (S) form or a mixture thereof of a compound of the formula ##STR1## in the form of an internal salt or a non-toxic, pharmaceutically acceptable acid addition salt wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.5 are individually defined in the specification, R.sub.4 is --OH or alkoxy of 1 to 8 carbon atoms, A and A' are individually selected from the group consisting of hydrogen, an equivalent of an alkali metal or alkaline earth metal, magnesium, ammonium and an organic amine, or one or two of --COOA or --COOA' ARE --CO.sub.2 --, the wavy line means --CH.sub.2 R.sub.6 can be in the E or Z position, R.sub.6 in the quaternary ammonium form is selected from the group consisting of ##STR2## X is defined as in the specification with the proviso that when R.sub.3 is --OH or alkoxy of 1 to 8 carbon atoms, at least one R.sub.1, R.sub.2 and R.sub.5 is other than hydrogen having antibacterial properties.
该化合物的(R)或(S)形式的同分异构体或其混合物,以内盐或无毒、药学上可接受的酸盐形式存在,其中R1、R2、R3和R5在说明书中各自定义,R4为-OH或1至8个碳原子的烷氧基,A和A'分别选自氢、碱金属或碱土金属的相当物、镁、铵和有机胺的群体中,或者一到两个--COOA或--COOA'是--CO2--,波浪线表示--CH2R6可以处于E或Z位置,四级铵形式下的R6选自下列群体:其中X在说明书中定义,但当R3为-OH或1到8个碳原子的烷氧基时,至少有一个R1、R2和R5不是氢,具有抗菌性能。