Thieno[2,3-<i>d</i>]pyrimidines in the Synthesis of Antitumor and Antioxidant Agents
作者:Ashraf A. Aly、Alan B. Brown、Mohamed Ramadan、Amira M. Gamal-Eldeen、Mohamed Abdel-Aziz、Gamal El-Din A. A. Abuo-Rahma、Mohamed F. Radwan
DOI:10.1002/ardp.200900245
日期:2010.3.15
acetylenedicarboxylate, ethyl propiolate, and E‐dibenzoylethylene react with thienopyrimidines (cyclo‐pentyl, ‐hexyl, and ‐heptyl) derivatives to form thiazolo[3,2‐a]thieno‐[2,3‐d]pyrimidin‐2‐ylidene) acetates, thieno[2,3‐d]pyrimidin‐2‐ylthioacrylates, and thieno[2′,3′:4,5]pyrimido[2,1‐b][1,3]thiazin‐6‐ones, respectively. Reactions proceed via cyclization and thio‐addition processes. Some derivatives of thienopyrimidines
乙炔二羧酸二甲酯、丙炔酸乙酯和 E-二苯甲酰乙烯与噻吩并嘧啶(环戊基、-己基和-庚基)衍生物反应形成噻唑并 [3,2-a] 噻吩并 [2,3-d] 嘧啶-2-亚基) 乙酸酯、噻吩并 [2,3-d] 嘧啶-2-基硫代丙烯酸酯和噻吩并 [2', 3': 4,5] 嘧啶 [2,1-b] [1,3] 噻嗪-6-酮. 反应通过环化和硫加成过程进行。与未处理的对照细胞的生长相比,噻吩并嘧啶的一些衍生物显示出对 Hep-G2 细胞生长的高度抑制。然而,噻吩并嘧啶噻嗪的融合庚基表明是一种有前途的特异性抗肿瘤药物,IC50 <20 μM。