Synthesis of Cyclic and Acyclic Pyrimidine Nucleosides Analogues with Anticipated Antiviral Activity
作者:Mohamed F. El-Shehry、Emad M. El Telbani、Mohamed I. Hegab
DOI:10.17344/acsi.2017.4144
日期:2018.6.20
A convenient method for preparation of cyclic and acyclic nucleosides was achieved by alkylation of 6-(2,4-dichlorophenoxymethyl) pyrimidine-2,4-dione (1) with a variety of acyclic and cyclic activated sugar analogues, namely (2-acetoxyethoxy)methyl acetate (3), 2-(acetoxymethoxy)propane-1,3-diyl dibenzoate (4), benzyloxymethyl acetate (5), 2-acetoxy-5-(benzoyloxymethyl)tetrahydrofuran-3,4-diyl dibenzoate
一种方便的制备环状和非环状核苷的方法是通过将6-(2,4-二氯苯氧基甲基)嘧啶-2,4-二酮(1)与多种非环状和环状活化糖类似物(2-乙酰氧基乙氧基)烷基化来实现的)乙酸甲酯(3),2-(乙酰氧基甲氧基)丙烷-1,3-二苯甲酸二苯酯(4),乙酸苄氧甲酯(5),2-乙酰氧基-5-(苯甲酰氧基甲基)四氢呋喃-3,4-二苯甲酸二苯酯(12) ,5-氯-2-((4-氯苯甲酰氧基)甲基)四氢呋喃-3-基4-氯苯甲酸酯(13)和2-(乙酰氧基甲基)-6-溴四氢-2H-吡喃-3,4,5-三乙酰基三乙酸酯( 14)。通过使用甲醇氨实现合成核苷的脱保护。通过分析方法(质谱,1 H NMR,13 C NMR和元素分析)充分表征了新合成的核苷类似物的结构。