New pyridone, thioxopyridine, pyrazolopyridine and pyridine derivatives that modulate inflammatory mediators in stimulated RAW 264.7 murine macrophage
作者:Nehal A. Hamdy、Amira M. Gamal-Eldeen
DOI:10.1016/j.ejmech.2009.06.023
日期:2009.11
cyanopyridine derivatives 6a,b respectively. Compounds 2a,b also afforded 3-cyanopyridinyl oxy acetic acid ethyl ester 7a,b by reaction with ethyl bromoacetate in dry acetone in the presence of anhydrous potassium carbonate, which upon condensation with hydrazine hydrate gave the corresponding acid hydrazide 8a,b and with benzyl amine gave the corresponding acetamide 9a,b. We investigated the effect
2-乙酰基5,6,7,8-四氢萘1与一些醛的反应是在氰基乙酸乙酯和乙酸铵存在下进行的,生成氰基吡啶酮2a – c,其与五硫化二磷反应生成相应的噻吩并吡啶衍生物3a – c分别。通过与三氯氧化磷和五氯化磷加热,将化合物2a,b转化为2-氯吡啶衍生物4a,b,将其与水合肼和苄胺融合,得到相应的吡唑并吡啶5a,b和氰基吡啶衍生物6a,b。在无水碳酸钾存在下,在无水碳酸钾的存在下,通过与溴乙酸乙酯在无水丙酮中反应,化合物2a,b还得到3-氰基吡啶基氧基乙酸乙酯7a,b,将其与水合肼缩合得到相应的酰肼8a,b和苄基胺得到相应的乙酰胺9a,b。我们研究了对巨噬细胞生长的那些新化合物的作用,巨噬细胞的结合亲和力异硫氰酸荧光素缀合的细菌lipoopolysaccharide(FITC-LPS),FITC-酵母聚糖的吞噬作用,以及对OH自由基清除亲和力,ROO ,和O 2 - ,在除了它们对炎症介质[一氧化