申请人:Bayer Aktiengesellschaft
公开号:US03954730A1
公开(公告)日:1976-05-04
Penicillins of the formula ##SPC1## Or a pharmaceutically-acceptable, nontoxic salt thereof, Wherein R.sub.1 and R.sub.2 are the same or different and each is hydrogen, fluorine, chlorine or bromine; or when R.sub.2 is hydrogen, R.sub.1 can also be cyano, hydroxyl, azido, amino or nitro; or R.sub.1 and R.sub.2 are bonded to a ring carbon atom and constitute a single oxygen atom; R.sub.3 is hydrogen, methyl, chlorine, bromine, cyano, methoxy or carboxyl; and n is 2 to 7; Are useful for their antibacterial activity.
盐酸盐或药用可接受的非毒性盐的公式为##SPC1##的青霉素,其中R.sub.1和R.sub.2相同或不同,每个都是氢、氟、氯或溴;或者当R.sub.2是氢时,R.sub.1也可以是氰基、羟基、叠氮基、氨基或硝基;或者R.sub.1和R.sub.2连接到一个环碳原子并构成一个单氧原子;R.sub.3是氢、甲基、氯、溴、氰基、甲氧基或羧基;n为2到7;它们因其抗菌活性而有用。