Synthesis of 7-ethyl-4,7-dihydro-4-oxo-2-(4-pyridinyl)thieno[2,3-<i>b</i>]pyridine-5-carboxylic acid
作者:Edward R. Bacon、Sol J. Daum
DOI:10.1002/jhet.5570280826
日期:1991.12
7-Ethyl-4,7-dihydro-4-oxo-2-(4-pyridinyl)thieno[2,3-b]pyridine-5-carboxylic acid (4), an analog of nalidixic acid, was synthesized in seven steps starting from commercially available 4-methylpyridine. Bacterial susceptibility to compound 4 was tested and the title compound was found to exhibit only weak antibacterial activity against a variety of pathogens including S. Aureus, E. Coli and P. Aeruginosa
通过七个步骤合成了类似萘啶酸的7-乙基-4,7-二氢-4-氧代-2-(4-吡啶基)噻吩并[2,3 - b ]吡啶-5-羧酸(4)。从可商购的4-甲基吡啶开始。测试了对化合物4的细菌敏感性,发现该标题化合物对多种病原体(包括金黄色葡萄球菌,大肠杆菌和铜绿假单胞菌)仅表现出弱的抗菌活性。