申请人:Farmitalia Carlo Erba
公开号:US04863914A1
公开(公告)日:1989-09-05
Compounds of formula ##STR1## wherein R is hydrogen atom or C.sub.1 -C.sub.4 alkyl group optionally substituted from halogen atom or hydroxy group optionally protected, A is a Z, Z--O--C--O-- or Z--C)-- residue, wherein Z is phenylene, naphthylene, heterocyclediyl, C.sub.1 -C.sub.7 alkylene, C.sub.2 -C.sub.4 alkenylene, alkynylene, ##STR2## C.sub.3 -C.sub.8 cycloalkylene, aralkylene radical optionally substituted, and O.sup.(+) represents a group +NR.sub.1 R.sub.2 R.sub.3, wherein R.sub.1, R.sub.2 and R.sub.3 are each either: (i) a optionally substituted alkyl, aralkyl or aryl radical or (ii) R.sub.1 is as defined above under (i) and R.sub.2 and R.sub.3, taken together, represent an optionally substituted or fused heterocyclic radical, or (iii) R.sub.1, R.sub.2 and R.sub.3, taken together, represent an optionally substituted azonia-bicyclo or tricyclo radical, or (iv) R.sub.1, R.sub.2 and R.sub.3, taken together, represent an optionally substituted or fused pyridinium, pyrazinium, pyrazolium or pyridazinium radical, and the pharmaceutically or veterinarily acceptable salts thereof, are disclosed. A method of preparation is also provided. The compounds show high antibacterial activity.
该文描述了式为##STR1##的化合物,其中R是氢原子或C.sub.1-C.sub.4烷基,可选地取代卤原子或羟基,A是Z,Z-O-C-O-或Z-C)残基,其中Z是苯基,萘基,杂环双基,C.sub.1-C.sub.7烷基,C.sub.2-C.sub.4烯基,炔基,##STR2## C.sub.3-C.sub.8环烷基,可选地取代的芳基烷基残基,O.sup.(+)代表+NR.sub.1 R.sub.2 R.sub.3基团,其中R.sub.1,R.sub.2和R.sub.3分别是:(i)可选地取代的烷基,芳基烷基或芳基基团,或(ii)R.sub.1如上所述在(i)中定义,R.sub.2和R.sub.3合在一起表示可选地取代或融合的杂环基团,或(iii)R.sub.1,R.sub.2和R.sub.3合在一起表示可选地取代的氮杂环双环或三环基团,或(iv)R.sub.1,R.sub.2和R.sub.3合在一起表示可选地取代或融合的吡啶,吡唑,咪唑或吡嗪基团,以及其药学或兽医学上可接受的盐。还提供了一种制备方法。这些化合物表现出高抗菌活性。