作者:Martín A. Palazzolo、María Pérez-Sánchez、Adolfo M. Iribarren、Elizabeth S. Lewkowicz、Pablo Domínguez de María
DOI:10.1016/j.tetlet.2012.10.009
日期:2012.12
Organocatalysis is assessed for the first time in the synthesis of purine and pyrimidine acyclic nucleosides providing high yields and straightforward work-up procedures. Nucleobases containing aldehydes are catalytically ligated (C–C bond formation) to acetone or to phosphonate-containing ketones by means of pyrrolidine or silica-immobilized piperazine as amine-based organocatalysts.
在嘌呤和嘧啶无环核苷的合成中首次评估了有机催化,可提供高收率和简单的后处理程序。通过吡咯烷或二氧化硅固定的哌嗪作为胺基有机催化剂,将含有醛的核碱基催化连接(CC键形成)与丙酮或含膦酸酯的酮。