Studies on antibacterial agents. I. Synthesis of substituted 6,7-dihydro-1-oxo-1H,5H-benzo(i,j)-quinolizine-2-carboxylic acids.
作者:Hiroshi ISHIKAWA、Fujio TABUSA、Hisashi MIYAMOTO、Masanobu KANO、Hiraki UEDA、Hisashi TAMAOKA、Kazuyuki NAKAGAWA
DOI:10.1248/cpb.37.2103
日期:——
A series of substituted 6,7-dihydro-1-oxo-1H,5H-benzo[i,j]quinolizine-2-carboxylic acids was synthesized and tested for antibacterial activities. Among them, 9-fluoro-6,7-dihydro-5-methyl-8-(4-methyl-1-piperazinyl)-1-oxo-1H,5H- benzo[i,j]quinolizine-2-carboxylic acid (OPC-7241) exhibited potent antibacterial activity against gram-positive and -negative bacteria, including Staphylococcus aureus and
合成了一系列取代的6,7-二氢-1-氧代-1H,5H-苯并[i,j]喹啉嗪-2-羧酸,并测试了其抗菌活性。其中9-氟-6,7-二氢-5-甲基-8-(4-甲基-1-哌嗪基)-1-氧代-1H,5H-苯并[i,j]喹啉嗪-2-羧酸( OPC-7241)对革兰氏阳性和阴性细菌(包括金黄色葡萄球菌和铜绿假单胞菌以及9-氟-6,7-二氢-8-(4-羟基-1-哌啶基)-5-甲基)表现出有效的抗菌活性-1-氧代-1H,5H-苯并[i,j]喹啉嗪-2-羧酸(OPC-7251)具有有效的抗痤疮丙酸杆菌的活性。