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Preparation of Information-Containing Macromolecules by Ligation of Dyad-Encoded Oligomers

机译:通过二联体编码的寡聚体的连接制备含信息的大分子

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摘要

A simplified strategy for preparing non-natural information-containing polymers is reported. The concept relies on the successive ligation of oligomers that contain minimal sequence motifs. It was applied here to the synthesis of digitally-encoded poly(triazole amide)s, in which propyl and 2-methyl propyl motifs are used to code 0 and 1, respectively. A library of four oligo(triazole amide)s containing the information dyads 00, 01, 10, and 11 was prepared. These oligomers contain two reactive functions, that is, an alkyne and a carboxylic acid. Thus, they can be linked to another with the help of a reactive spacer containing azide and amine functions. Using two successive chemoselective steps, that is, azide-alkyne Huisgen cycloaddition and carboxylic acid-amine coupling, monodisperse polymers can be obtained. In particular, the library of dyads permits the implementation of any desired sequence using a small number of steps. As a proof-of-concept, the synthesis of molecular bytes 00000000 and 00000110 is described.
机译:报告了一种制备非天然信息的聚合物的简化策略。该概念依赖于包含最小序列基序的寡聚物的连续连接。它在这里用于合成数字编码的聚三唑酰胺,其中丙基和2-甲基丙基分别用于编码0和1。制备了包含信息二元组00、01、10和11的四个低聚(三唑酰胺)文库。这些低聚物含有两个反应性官能团,即炔烃和羧酸。因此,它们可以在含有叠氮化物和胺官能团的反应性间隔基的帮助下彼此连接。使用两个连续的化学选择步骤,即叠氮化物-炔烃Huisgen环加成反应和羧酸-胺偶联,可以获得单分散聚合物。特别地,二分体文库允许使用少量步骤实现任何期望的序列。作为概念验证,描述了分子字节00000000和00000110的合成。

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