Studies on quinoline derivatives and related compounds. 5. Synthesis and antimicrobial activity of novel 1-alkoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids
作者:Hideo Agui、Tohru Mitani、Akio Izawa、Toshiaki Komatsu、Takenari Nakagome
DOI:10.1021/jm00216a010
日期:1977.6
1-alkoxy-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids was synthesized and screened as antimicrobial agents. The most active compounds in vitro against gram-negative microorganisms and Staphylococcus aureus were 1,4-dihydro-1-methoxy-6,7-methylenedioxy-4-oxo-3-quinolinecarboxylic acid (22), 1,2,6,9-tetrahydro-6-methoxy-9-oxofuro[3,2-f]quinoline-8-carboxylic acid (30, and 2,3,6,9-tetrahydro-6-methoxy-3-methyl
合成了一系列新型的1-烷氧基-1,4-二氢-4-氧代-3-喹啉羧酸,并将其筛选为抗菌剂。体外对革兰氏阴性微生物和金黄色葡萄球菌活性最高的化合物是1,4-二氢-1-甲氧基-6,7-亚甲基二氧基-4-氧代-3-喹啉羧酸(22),1,2,6,9 -四氢-6-甲氧基-9-氧呋喃[3,2-f]喹啉-8-羧酸(30和2,3,6,9-四氢-6-甲氧基-3-甲基-2,9-二氧噻唑[5,4-f]喹啉-8-羧酸(34)。这些化合物具有与相应的N-乙基衍生物1、2和4相当的抗革兰氏阴性活性,它们在大鼠中的血清水平和尿回收率然而,相对于后一种化合物(1、2和4),其显着改善。