Design, Synthesis, Antiviral, and Cytostatic Evaluation of Novel Isoxazolidine Analogs of Homonucleotides
作者:Magdalena Łysakowska、Jan Balzarini、Dorota G. Piotrowska
DOI:10.1002/ardp.201300382
日期:2014.5
diastereoselectivities (d.e. 2–62%) of isoxazolidine homonucleotides were observed for cycloadditions between N‐methyl‐C‐(diethoxyphosphoryl)nitrone and N‐allyl nucleobases, with trans‐isoxazolidines predominating. The stereochemistry of the substituted isoxazolidines was established based on 2D NOE experiments performed for uracil‐containing cycloadducts. The cis‐ and trans‐isoxazolidine phosphonates obtained herein
对于 N-甲基-C-(二乙氧基磷酰基)硝酮和 N-烯丙基核碱基之间的环加成,观察到异恶唑烷同核苷酸的中等非对映选择性(de 2-62%),其中反式异恶唑烷占主导地位。取代的异恶唑烷的立体化学是基于对含尿嘧啶环加合物进行的 2D NOE 实验建立的。在体外评估了本文获得的顺式和反式异恶唑烷膦酸酯对多种 DNA 和 RNA 病毒的活性。没有一种化合物在亚毒性浓度下具有抗病毒活性,但发现其中一些化合物抑制 L1210 细胞的增殖,IC50 值在 33–100 µM 范围内。