申请人:Sterling Drug Inc.
公开号:US04839355A1
公开(公告)日:1989-06-13
Fluorinated 10-(2,6-dimethyl-4-pyridinyl)-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-d e][1,4]benzoxazine-6-carboxylic acids and -benzothiazine-6-carboxylic acids of the formula ##STR1## wherein R is hydrogen, R' is hydrogen or fluoro, R" is alkyl of 1-3 carbon atoms and X is O or S are superior antibacterial agents.
氟化的10-(2,6-二甲基-4-吡啶基)-3-甲基-7-氧代-2,3-二氢-7H-吡啶并[1,2,3-d e][1,4]苯并噁嗪-6-羧酸和-苯并噻嗪-6-羧酸,其化学式为##STR1## 其中R为氢,R'为氢或氟,R"为1-3个碳原子的烷基,X为O或S,是优秀的抗菌剂。