Nucleosides and Nucleotides. 175. Structural Requirements of the Sugar Moiety for the Antitumor Activities of New Nucleoside Antimetabolites, 1-(3-<i>C</i>-Ethynyl-β-<scp>d</scp>-<i>r</i><i>ibo</i>-pentofuranosyl)cytosine and -uracil
作者:Hideshi Hattori、Eisuke Nozawa、Tomoharu Iino、Yuichi Yoshimura、Satoshi Shuto、Yuji Shimamoto、Makoto Nomura、Masakazu Fukushima、Motohiro Tanaka、Takuma Sasaki、Akira Matsuda
DOI:10.1021/jm9801814
日期:1998.7.1
1-(3-C-ethynyl-beta-d-ribo-pentofuranosyl)uracil (EUrd) and its cytosine congener (ECyd) as potential multifunctional antitumor nucleoside antimetabolites. They showed potent and broad-spectrum antitumor activity against various human and mouse tumor cells in vitro and in vivo. To clarify the structure-activity relationship of the sugar moiety, various 3'-C-carbon-substituted analogues, such as 1-propynyl
我们以前设计1-(3-C-乙炔基-β-d-核糖基戊呋喃糖基)尿嘧啶(EUrd)及其胞嘧啶同源物(ECyd)作为潜在的多功能抗肿瘤核苷抗代谢物。他们在体外和体内显示出对各种人类和小鼠肿瘤细胞的有效和广谱抗肿瘤活性。为了阐明糖部分的结构-活性关系,合成了ECyd和EUrd的各种3'-C-碳取代的类似物,例如1-丙炔基,1-丁炔基,乙烯基,乙基和环丙基衍生物。我们还制备了具有不同构型的ECyd和EUrd的3'-脱氧类似物和3'-同源物,以确定3'-羟基的作用以及3'-碳原子与乙炔基之间的长度以及2'- ECyd的乙炔基衍生物可确定乙炔基的空间要求。这些核苷对小鼠白血病L1210和人KB细胞的体外肿瘤细胞生长抑制活性表明ECyd和EUrd是该系列中最有效的抑制剂,对于L1210细胞,IC50值为0.016和0.13 microM,对于L1210细胞,IC50值为0.028和0.029 microM