Synthesis of Nα-(purinyl/pyrimidinyl acetyl)-4-aminoproline diastereomers with potential use in PNA synthesis
作者:Bargur P. Gangamani、Vaijayanti A. Kumar、Krishna N. Ganesh
DOI:10.1016/0040-4020(96)00924-6
日期:1996.11
conformational constraint and chirality into the PNA backbone by bridging the ethylenediamine and glycine components of the same unit by a methylene group which leads to PNA based on 4-aminoprolyl backbone with chirality at C-4 and C-2. The synthesis and characterisation of all four diasteroisomers with thymine (T) as the sidechain nucleobase (3a-d) and the synthesis of one of the stereoisomer (2S, 4R) linked
本文介绍了一种方法,该方法是通过亚甲基桥接同一单元中的乙二胺和甘氨酸组分,从而将构象约束和手性引入PNA主链,从而生成基于4-氨基脯氨酰基主链的PNA,在C-4和C-2上具有手性。以胸腺嘧啶(T)为侧链核碱基(3a-d)的所有四个非对映异构体的合成和表征,以及与四个核碱基(10-13)中的每一个相连的立体异构体之一(2 S,4 R)的合成是描述。使用这些单体单元,可以得到两个模型二聚体(17,18)包含四个手性中心,但仅在一个位点的立体化学不同,并且这些CD数据表明在这些中手性骨架引起的碱基堆积有相当大的结构差异。