申请人:Pfizer Inc.
公开号:US05039683A1
公开(公告)日:1991-08-13
Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, alkyl of 1 to 6 carbon atoms, or NR.sup.4 R.sup.5, wherein R.sup.4 and R.sup.5 are independently selected from hydrogen and alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation; R.sup.2 is hydrogen, hydroxy, alkanoylamino of 1 to 6 carbon atoms, morpholino, halogen, hydroxyalkyl of 1 to 6 carbon atoms, COOR.sup.6 wherein R.sup.6 is alkyl of 1 to 6 carbon atoms or a pharmaceutically acceptable cation, alkoxy of 1 to 6 carbon atoms, NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8 are independently selected from alkyl of 1 to 6 carbon atoms, alkanoyl of 1 to 6 carbon atoms, hydrogen, alkoxy of 1 to 6 carbon atoms, aminoalkyl of 2 to 6 carbon atoms, alkylaminoalkyl wherein each alkyl group is independently selected from alkyl groups having 2 to 6 carbon atoms, and dialkylaminoalkyl wherein each alkyl group is independently selected from alkyl groups having one to six carbon atoms, with the proviso that only one of R.sup.7 and R.sup.8 may be alkoxy; and R.sup.3 is hydrogen, alkyl of 1 to 6 carbon atoms, phenyl or substituted phenyl wherein the phenyl group may be substituted with one or two substituents selected from the group consisting of alkyl of 1 to 6 carbon atoms, nitro, amino, halogen, (e.g., fluoro, chloro, bromo, or iodo), haloalkyl of 1 or 2 carbon atoms and up to 5 halogen atoms (e.g., fluoro, chloro, bromo or iodo), hydroxyl, or alkoxy of 1 to 6 atoms and pharmaceutically acceptable acid addition salts thereof. The compounds have antibacterial activity.
式为##STR1##的化合物,其中R.sup.1是氢、1到6个碳原子的烷基,或NR.sup.4 R.sup.5,其中R.sup.4和R.sup.5分别选自氢和1到6个碳原子的烷基或药用可接受阳离子;R.sup.2是氢、羟基、1到6个碳原子的烷酰胺基、吗啉基、卤素、1到6个碳原子的羟基烷基、COOR.sup.6,其中R.sup.6是1到6个碳原子的烷基或药用可接受阳离子、1到6个碳原子的烷氧基、NR.sup.7 R.sup.8,其中R.sup.7和R.sup.8分别选自1到6个碳原子的烷基、1到6个碳原子的烷酰基、氢、1到6个碳原子的烷氧基、2到6个碳原子的氨基烷基、烷基氨基烷基,其中每个烷基基团分别选自具有2到6个碳原子的烷基基团,和二烷基氨基烷基,其中每个烷基基团分别选自具有1到六个碳原子的烷基基团,但R.sup.7和R.sup.8中只有一个可以是烷氧基;而R.sup.3是氢、1到6个碳原子的烷基、苯基或取代苯基,其中苯基可能被取代为选自1到6个碳原子的烷基、硝基、氨基、卤素(例如,氟、氯、溴或碘)、1或2个碳原子的卤代烷基和最多5个卤素原子(例如,氟、氯、溴或碘)、羟基或1到6个原子的烷氧基的1或2个取代基,以及其药用可接受酸盐。这些化合物具有抗菌活性。