Synthesis and in-vitro anti-proliferative evaluation of some pyrazolo[1,5-a]pyrimidines as novel larotrectinib analogs
作者:Mohamed H. Attia、Eman Z. Elrazaz、Soad Z. El-Emam、Azza T. Taher、Hatem A. Abdel-Aziz、Khaled A.M. Abouzid
DOI:10.1016/j.bioorg.2019.103458
日期:2020.1
A series of 2-phenyl-7-(aryl)pyrazolo[1,5-a]pyrimidine-3-carbonitriles 11a-j and 2-phenyl-7-(aryl)pyrazolo[1,5-a]pyrimidine-3,6-dicarbonitriles 16a-c was synthesized by the reaction of 5-amino-3-phenyl-1H-pyrazole-4-carbonitrile (5) with 3-(dimethylamino)-1-arylprop-2-en-1-ones 6a-j or 2-aryl-3-(dimethylamino)acrylonitriles 12a-c, respectively. In addition, 7-amino-5-oxo-2-phenyl-4,5-dihydropyrazolo[1
一系列2-苯基-7-(芳基)吡唑并[1,5-a]嘧啶-3-腈11a-j和2-苯基-7-(芳基)吡唑并[1,5-a]嘧啶-3,通过使5-氨基-3-苯基-1H-吡唑-4-腈(5)与3-(二甲基氨基)-1-芳基丙-2-烯-1-酮6a-反应,合成了6-二腈16a-c。 j或2-芳基-3-(二甲基氨基)丙烯腈12a-c。另外,由化合物5与氰基乙酸乙酯反应制备了7-氨基-5-氧代-2-苯基-4,5-二氢吡唑并[1,5-a]嘧啶-3-腈(22)。新合成的化合物对Huh-7,HeLa,MCF-7和MDA-MB231细胞系的抗癌活性表明,与阿霉素相比,化合物11f作为抗增殖剂对Huh-7细胞系的中等活性,IC50 = 6.3 µM。 (IC50 = 3.2 µM)。另一方面,与阿霉素(IC50 = 8.1 µM)相比,化合物16b表现出对HeLa细胞系的有效抗增殖活性,IC50 = 7.8 µM。同样,化合