Synthesis of novel 1,2,3-triazole/isoxazole functionalized 2H-Chromene derivatives and their cytotoxic activity
作者:K. Ratnakar Reddy、P. Sambasiva Rao、G. Jitender Dev、Y. Poornachandra、C. Ganesh Kumar、P. Shanthan Rao、B. Narsaiah
DOI:10.1016/j.bmcl.2014.02.069
日期:2014.4
novel 2-(1,2,3-triazolylmethoxy) – and isoxazole tagged – 2-Chromene derivatives were prepared starting from salicylaldehyde and ethyl-4,4,4-trifluoroacetoacetate via cyclization to form ethyl 2-hydroxy-2-(trifluoromethyl)-2-Chromene-3-carboxylate . Compound on reaction with propargyl bromide resulted compound and was independently reacted with aryl/alkyl azides and aryl aldoximes obtained 2-(1,2,3-triazolylmethoxy)
以水杨醛和4,4,4-三氟乙酰乙酸乙酯为原料,通过环化形成2-羟基-2-乙基,制备了一系列新型2-(1,2,3-三唑基甲氧基)和异恶唑标记的2-色烯衍生物。 (三氟甲基)-2-色烯-3-羧酸酯。化合物与炔丙基溴反应生成化合物,并独立地与芳基/烷基叠氮化物和芳基醛肟反应,分别获得2-(1,2,3-三唑基甲氧基)和异恶唑标记的2-色烯衍生物-、-。化合物进一步水解为酸衍生物-。所有产品 -, -, - 均针对四种人类癌细胞系的细胞毒活性进行了筛选,并且在所有化合物中,,,,, 在 <20μM 浓度下显示出有希望的活性。