中文名 | 利福拉齐 |
英文名 | Rifalazil |
别名 | 利福拉齐 化合物 T16749 3'-羟基-5'-(4-异丁基-1-哌嗪)苯嗪利福霉素 3'-羟基-5'-(4-异丁基-1-哌嗪)苯噁嗪利福霉素 |
英文别名 | KRM 1648 Rifalazil RIFALAZIL 3'-Hydroxy-5'-(4-isobutylpiperazinyl)benzoxazinorifamycin 1-Deoxy-1'-dehydro-1-oxo-3'-hydroxy-5'-[4-(2-methylpropyl)piperazino]rifamycin VIII 5,12-Dihydroxy-2,4-dimethyl-10-[4-(2-methyl-propyl)-l-piperazinyl]-2,7-[oxy(5-acetoxy-7,9-dihydroxy-3-methoxy-4,6,8,10,14-pentamethyl-15-oxo-l,ll,13-pentadecatriene-l,15-diyl)imino]-6H-benzofuro[4,5-a]phenoxazine-l(2H),6-dione |
CAS | 129791-92-0 |
化学式 | C51H64N4O13 |
分子量 | 941.07 |
熔点 | 195-200° (dec) |
存储条件 | 2-8℃ |
体外研究 | Rifalazil exhibits antimicrobal activity against Gram-positive enteric bacteria, inhibits Clostridium difficile , Clostridium perfringens , Bacteroides fragilis with MIC 50 value of 0.0015, 0.0039, 0.0313 µg/ml, respectively. Rifalazil exhibits antimicrobal activity against Gram-negative enteric bacteria, inhibits Escherichia coli and Klebsiella pneumoniae with MIC 50 value of 16 and 16 µg/ml, respectively. Rifalazil exhibits antimicrobal activity against non-enteric Gram-positive bacteria, inhibits Methicillin-susceptible Staphylococcus aureus , Methicillin-resistant S. aureus , Methicillin- and quinolone-resistant S. aureus , Staphylococcus epidermidis , Streptococcus pyogenes , Streptococcus pneumoniae with MIC 50 value of 0.0078, 0.0078, 0.0078, 0.0078, 0.0002, 0.0001 µg/ml, respectively. Rifalazil exhibits antimicrobal activity against Helicobacter pylori , Chlamydia pneumoniae and Chlamydia trachomatis with MIC 50 value of 0.004, 0.000125 and 0.00025 µg/ml, respectively. |
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