作者:John D Sutherland、J Nicole Whitfield
DOI:10.1016/s0040-4020(97)00466-3
日期:1997.8
mediated by evolving RNA. A novel potentially prebiotic synthesis of RNA is proposed involving polymerisation through aldol condensation followed by a retro-Amadori rearrangement and ring closure via a base-paired mesomeric heterocyclic betaine intermediate. The proposed monomer 1 is an achiral mixed phosphodiester and herein we report synthetic routes to 1 containing each of the four RNA bases. The solution
当前的思想支持进化的早期阶段,其中信息的传递和催化是通过不断发展的RNA介导的。提出了一种新颖的潜在的益生元RNA合成方法,该方法包括通过羟醛缩合进行聚合,然后进行逆阿马多里重排,并通过碱基配对的介孔杂环甜菜碱中间体进行环闭合。所提出的单体1是非手性的混合磷酸二酯和本文我们报告的合成路线1含有四个RNA碱基的。已经研究了含有腺嘌呤和尿嘧啶的1的溶液相行为,并且还给出了聚合实验的初步结果。