SYNTHESIS AND ANTIMICROBIAL SCREENING OF SOME NEW 4-IMINO-3,5,7-TRISUBSTITUTED PYRIDO[2,3-<i>d</i>]PYRIMIDINES AND THEIR RIBOFURANOSIDES AS POTENTIAL CHEMOTHERAPEUTIC AGENTS
作者:Shabana Khatoon、Ashok K. Yadav
DOI:10.1080/10426500490262342
日期:2004.2.1
Some new nucleosides, viz. 4-imino-3,5,7-trisubstituted-1-(2′,3′,5′-tri-O-kbenzyl–β-D-ribofuranosyl)pyrido[2,3-d]pyrimidin/e–2(1H)-ones/ thiones(VII/VIII), have been synthesized by condensation of trimethylsilyl derivatives of 4-imino-3,5,7-trisubstituted pyrido[2,3-d]pyrimidin/e-2(1H)-ones/thiones (III/IV) with β-D-ribofuranosyl1-acetate-2,3,5-tribenzoate. Compounds III/IV have been synthesized by
一些新的核苷,即。4-亚氨基-3,5,7-三取代-1-(2',3',5'-tri-O-kbenzyl-β-D-ribofuranosyl)pyrido[2,3-d]pyrimidin/e-2( 1H)-ones/硫酮(VII/VIII),通过4-亚氨基-3,5,7-三取代吡啶并[2,3-d]嘧啶/e-2(1H)-ones的三甲基甲硅烷基衍生物的缩合合成/硫酮 (III/IV) 与 β-D-呋喃核糖基1-乙酸酯-2,3,5-三苯甲酸酯。化合物III/IV已通过回流分别具有取代的芳基异氰酸酯或异硫氰酸酯的2-氨基-3-氰基-4,6-二取代的吡啶(II)合成。所有合成化合物的结构均已通过 IR 和 1H NMR 研究确定。这些化合物已经过抗微生物活性的筛选以进行评估。衍生物用作潜在化学治疗剂的可能性。