Synthesis and biological activity of fluorinated 7-benzylamino-2-phenyl-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amines
作者:Anna V. Dolzhenko、Bee Jen Tan、Gigi Ngar Chee Chiu、Wai Keung Chui、Anton V. Dolzhenko
DOI:10.1016/j.jfluchem.2015.03.010
日期:2015.7
The reaction of benzhydrazide with cyanoguanidine followed by intramolecular cyclocondensation resulted in the formation of triazolylguanidine, which upon condensation with trichloroacetonitrile afforded a key intermediate – 2-phenyl-7-trichloromethyl-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine. In mild conditions, this intermediate underwent nucleophilic displacement of the trichloromethyl group
设计了新型的氟化7-苄氨基-2-苯基-1,2,4-三唑并[1,5- a ] [1,3,5]三嗪-5-胺作为潜在的抗癌药,其实用的制备方法是发达。苯肼与氰基胍反应,然后进行分子内环缩合,形成三唑基胍,三唑基胍与三氯乙腈缩合后,提供了关键中间体– 2-苯基-7-三氯甲基-1,2,4-三唑[1,5- a] [1,3,5]三嗪-5-胺。在温和条件下,该中间体用一系列提供目标化合物的氟化苄胺进行了三氯甲基的亲核取代。探索了所制备的化合物对肺癌和乳腺癌细胞的抗增殖活性。除抗癌作用外,某些化合物还显示出抗血管生成特性。