Synthesis of triazolylmethyl-linked nucleoside analogs via combination of azidofuranoses with propargylated nucleobases and study on their cytotoxicity
作者:Erkan Halay、Emriye Ay、Emine Şalva、Kadir Ay、Tamer Karayıldırım
DOI:10.1007/s10593-018-2248-4
日期:2018.2
Copper(I)-catalyzed azide–alkyne 1,3-dipolar cycloaddition reactions (CuAAC) between azidofuranoses and propargyl-nucleobases were carried out in the presence of CuSO4·5H2O and sodium ascorbate as catalytic system to provide the corresponding 1,4-disubstituted-1,2,3-triazole-bridged nucleoside analogs in good yields. Twelve new sugar-based triazolylmethyl-linked nucleoside analogs were synthesized
在CuSO 4 ·5H 2的存在下,进行了铜(I)催化的叠氮呋喃糖酶与炔丙基核碱基之间的叠氮化物-炔烃1,3-偶极环加成反应(CuAAC)以O和抗坏血酸钠为催化体系,以高收率提供相应的1,4-二取代-1,2,3-三唑桥联的核苷类似物。合成了十二个新的基于糖的三唑基甲基连接的核苷类似物,并筛选了它们对MDA-MB-231,Hep3B,PC-3,SH-SY5Y和HCT-116癌细胞系和对照细胞系(L929)的细胞毒活性。大多数化合物对所有测定的癌细胞系均具有中等效力。特别是,在测试的化合物中,发现1,2,3-三唑连接的5-氟尿嘧啶-甘露呋喃糖杂合物是对HCT-116,Hep3B,SH-SY5Y细胞的IC 50最有效的细胞毒剂。分别为35.6、71.1和75.6μM。三唑基甲基连接的核苷类似物均未显示出对对照细胞L929的细胞毒性作用。