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首页> 外文期刊>Bioorganic and Medicinal Chemistry Letters >Novel tricyclic azepine derivatives: Biological evaluation of pyrimido(4,5-b)-1,4-benzoxazepines, thiazepines, and diazepines as inhibitors of the epidermal growth factor receptor tyrosine kinase.
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Novel tricyclic azepine derivatives: Biological evaluation of pyrimido(4,5-b)-1,4-benzoxazepines, thiazepines, and diazepines as inhibitors of the epidermal growth factor receptor tyrosine kinase.

机译:新型三环a庚因衍生物:作为表皮生长因子受体酪氨酸激酶抑制剂的嘧啶并(4,5-b)-1,4-苯并x庚因,硫氮平和二氮卓的生物学评估。

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摘要

Novel tricyclic derivatives containing an oxazepine, thiazepine, or diazepine ring were studied for their EGFR tyrosine kinase inhibitory activity. While the oxazepines were in general more potent than thiazepines, the diazepines displayed somewhat different structure-activity relationships. Moreover, the diazepines, in contrast to the oxazepines, showed appreciable inhibitory activity against the KDR tyrosine kinase. Furthermore, both oxazepines and diazepines demonstrated significant ability to inhibit autophosphorylation of EGFR in DiFi cells (generally, IC(50) values in the single-digit micromolar to submicromolar range).
机译:研究了含有氧杂氮平,硫氮平或二氮杂环的新型三环衍生物的EGFR酪氨酸激酶抑制活性。一般而言,奥氮平的功效比硫氮平强,但二氮卓的结构活性关系却有所不同。此外,与氧杂西平相反,二氮杂显示出对KDR酪氨酸激酶的明显抑制活性。此外,奥氮平和二氮卓均显示出显着的抑制DiFi细胞中EGFR自身磷酸化的能力(通常,IC(50)值在单位个微摩尔至亚微摩尔范围内)。

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