chemical literature. Screening against a panel of 11 cancer and one normal cell line showed that the amide linked library 13a–l was devoid of toxicity. Whereas the ester linked analogues 12b, 12c, 12g, 12j and 12l were highly cytotoxic with growth inhibition (GI50) values from 0.34 to >50 μM across all cell lines, with the 2-OH-Ph substituted 12l analogue presenting with sub-micromolar potency against the
我们描述了一种简单的流
化学方法,用于乙基3-氧代-2-(取代-苯基
氨基)-3,4-二氢-2 H-苯并[ b ] [1,4]恶嗪-6-
羧酸盐(12a–l)和N-乙基-3-氧代-2-(取代的苯基
氨基)-3,4-二氢-2 H-苯并[ b ] [1,4]恶嗪-6-羧酰胺(13a–l)在38–87中%产率。该支架在
化学文献中很少描述。对11种癌症和一种正常
细胞系的筛选显示酰胺连接的文库13a-1没有毒性。而酯连接的类似物12b,12c,12g,12j和12l具有高度细胞毒性,在所有
细胞系中的生长抑制(GI 50)值从0.34到> 50μM,2-OH-Ph取代的12l类似物对A2780的亚微摩尔浓度(卵巢; 0.34±0.04μM) ,B
EC-2(胶质母细胞瘤; 0.35±0.06μM),MIA(胰腺; 0.91±0.054μM)和SMA(鼠胶质母细胞瘤; 0.77±0.029μM)癌
细胞系。有趣的是