SYNTHESIS OF 1-(2-DEOXY-β-<scp>D</scp>- RIBOFURANOSYL)-2,4-DIFLUORO-5-SUBSTITUTED-BENZENE THYMIDINE MIMICS,<sup>*</sup>SOME RELATED α-ANOMERS, AND THEIR EVALUATION AS ANTIVIRAL AND ANTICANCER AGENTS
作者:Zhi-Xian Wang、Weili Duan、Leonard I. Wiebe、Jan Balzarini、Erik De Clercq、Edward E. Knaus
DOI:10.1081/ncn-100001435
日期:2001.2.26
Me, F, Cl, Br, I, CF3, CN, NO2, NH2), designed as thymidine mimics, were synthesized for evaluation as anticancer and antiviral agents. The coupling reaction of 3,5-bis-O-(p-chlorobenzoyl)-2-deoxy-α-D-ribofuranosyl chloride with an organocadmium reagent [(2,4-difluorophenyl)2Cd] afforded a mixture of the α- and β-anomeric products (α:β = 3:1 to 10:1 ratio). Treatment of the α-anomer with BF3·Et2O in
一组具有各种C-5取代基(H,Me,F,Cl,Br,I,CF3,CN,NO2,合成了设计为胸苷模拟物的NH2)作为抗癌药和抗病毒药进行评估。3,5-双-O-(对氯苯甲酰基)-2-脱氧-α-D-呋喃呋喃糖基氯与有机镉试剂[(2,4-二氟苯基)2Cd]的偶联反应得到α-和-C的混合物β-异头物产物(α:β= 3:1至10:1的比例)。作为在主要的α-端基异构体上异构化成所需的β-端基异构体的有效方法,人们开发了在BF-110-C中在硝基乙烷中用BF3·Et2O处理α-端基异构体的方法。相对于胸腺嘧啶(CC50 = 10-3-10),在MTT分析(CC50 = 10−3–10−4 M范围)中,5取代的(H,Me,Cl,I,NH2)β-异头物显示出可忽略的细胞毒性。 -5 M范围),针对各种癌细胞系。相比之下,5-NO2衍生物具有更高的细胞毒性(CC50 = 10-5-6-10 M范围)。使用