5-Amino-7-((3S,4S)-3-amino-4-methyl (or ethyl)-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methyl-4-oxoqu inoline-3-carboxylic acid or a pharmacologically acceptable salt thereof represented by the following formula wherein asymmetric carbon atoms marked with asterisks are in the S-configurations and R.sup.1 represents methyl group or ethyl group; and an antibacterial agent comprising said compound as an active ingredient. ##STR1##
The present invention contemplates provision of a quinolone antibacterial agent and a drug for the treatment of infectious diseases, which exhibit potent antibacterial activity and higher selective toxicity against Gram-positive and Gram-negative bacteria, which do not cause side effects (e.g., convulsion), and which exhibit higher safety.
A compound represented by the following formula (I):
a salt of the compound, or a hydrate of the compound or the salt; and an antibacterial drug and an infectious disease treating drug containing the compound as an active ingredient.
A quinolone antibacterial compound, or a salt or hydrate of the compound, for the treatment of infectious diseases, which exhibit potent antibacterial activity and higher selective toxicity against Gram-positive and Gram-negative bacteria, which do not cause side effects (e.g., convulsion), which exhibit higher safety, and which has a structure of formula (I):
A quinolone antibacterial compound, or a salt or hydrate of the compound, for the treatment of infectious diseases, which exhibit potent antibacterial activity and higher selective toxicity against Gram-positive and Gram-negative bacteria, which do not cause side effects (e.g., convulsion), which exhibit higher safety, and which has a structure of formula (I):
5-Amino-7-((3S,4S)-3-amino-4-methyl (or ethyl)-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methyl-4-oxoquinoline-3-carboxylic acid or a pharmacologically acceptable salt thereof represented by the following formula wherein asymmetric carbon atoms marked with asterisks are in the S-configurations and R1 represents methyl group or ethyl group; and an antibacterial agent comprising said compound as an active ingredient.
5-氨基-7-((3S,4S)-3-氨基-4-甲基(或乙基)-1-吡咯烷基)-1-环丙基-6-氟-1,4-二氢-8-甲基-4-氧代喹啉-3-羧酸或其药理上可接受的盐,由下式表示 其中星号标记的不对称碳原子为 S 构型,R1 代表甲基或乙基;以及包含上述化合物作为活性成分的抗菌剂。