Synthesis of 2-amino-4-oxo-5-substitutedbenzylthiopyrrolo[2,3-<i>d</i>]-pyrimidines as potential inhibitors of thymidylate synthase
作者:Aleem Gangjee、Hiteshkumar D. Jain、Jaclyn Phan、Roy L. Kisliuk
DOI:10.1002/jhet.5570420127
日期:2005.1
2-amino-4-oxo-5-[(substitutedbenzyl)thio]pyrrolo[2,3-d]pyrimidines 2-11 were synthesized as potentialinhibitors of thymidylatesynthase and as antitumor agents. The analogues contain various electron withdrawing and electron donating substituents on the benzylsulfanyl ring of the side chains and were synthesized from the key intermediate 2-amino-4-oxo-6-methylpyrrolo[2,3-d]pyrimidine, 14. Appropriately substituted
合成了一系列十个新颖的2-氨基-4-氧代5-[(取代的苄基)硫代]吡咯并[2,3- d ]嘧啶2-11,作为潜在的胸苷酸合酶抑制剂和抗肿瘤剂。这些类似物在侧链的苄基硫烷基环上包含各种吸电子和供电子取代基,由关键的中间体2-氨基-4-氧代-6-甲基吡咯并[2,3- d ]嘧啶[ 14 ]合成。通过使用碘,乙醇和水的氧化加成反应,将适当取代的苄基硫醇附加到14 的5位上。评估了该化合物对人,大肠杆菌和弓形虫的抵抗力胸苷酸合酶并针对人,大肠杆菌和弓形虫二氢叶酸还原酶。最有效的抑制剂(6)在侧链具有4'-甲氧基取代基,对人胸苷酸合酶的IC 50 = 25μM。与一般结构1的类似物相反,在2-11的侧链上的给电子或吸电子取代基对人胸苷酸合酶抑制活性几乎没有影响。