申请人:E. R. Squibb & Sons, Inc.
公开号:US04273776A1
公开(公告)日:1981-06-16
Compounds are provided having the structure ##STR1## wherein R.sup.1 is lower alkyl; phenyl-lower alkyl; phenyl; substituted phenyl wherein the phenyl group bears one or two halogen, hydroxy, lower alkyl, lower alkoxy, lower alkylothio, cyano or nitro groups; 5- or 6-membered monocyclic aromatic heterocyclics containing one hetero atom, namely, O, S or N, such as furanyl, pyridinyl or thiophenyl; and substituted heterocyclics wherein any of the above heterocyclics bears one halogen, hydroxy, lower alkyl, lower alkoxy, lower alkylthio, cyano or nitro group; R.sup.2 and R.sup.3 may be the same or different and each may be hydrogen, lower alkyl, halogen, phenyl, or substituted phenyl wherein the phenyl group bears one halogen, hydroxy, lower alkyl, lower alkoxy, lower alkylthio, cyano or nitro group. The above compounds as well as acid-addition salts thereof are useful as antimicrobial agents.
提供具有结构##STR1##的化合物,其中R.sup.1是较低的烷基; 苯基较低烷基; 苯基; 取代苯基,其中苯基含有一个或两个卤素,羟基,较低烷基,较低烷氧基,较低硫代烷基,氰基或硝基基团; 含有一个杂原子(O、S或N)的5-或6-成员单环芳香杂环化合物,如呋喃基,吡啶基或噻吩基; 和取代杂环化合物,其中上述任何一种杂环化合物含有一个卤素,羟基,较低烷基,较低烷氧基,较低硫代烷基,氰基或硝基基团; R.sup.2和R.sup.3可能相同也可能不同,每个可能是氢,较低烷基,卤素,苯基或取代苯基,其中苯基含有一个卤素,羟基,较低烷基,较低烷氧基,较低硫代烷基,氰基或硝基基团。 上述化合物以及其酸盐加合物作为抗微生物药物具有用途。