Mutualism in organic synthetic chemistry: Simultaneous heterodehydrocoupling of hydrostannane and reduction of quinoline
作者:Tianwei Liu、Jianghua He、Yuetao Zhang
DOI:10.1016/s1872-2067(23)64590-5
日期:2024.3
and reduction of quinoline by using B(CF) as catalyst under mild conditions. This method realizes the synthesis of heteroatom-tin complexes by the same catalyst system. With the assistance of quinoline, the substrate scope was broadened and yield was significantly enhanced. During the reaction, the generated heterodehydrocoupling intermediate [H][HB(CF)] would accelerate the quinoline reduction by transforming
在这里,我们报告了一种一锅策略,在温和条件下使用 B(CF) 作为催化剂,同时实现氢锡烷的杂脱氢偶联和喹啉的还原。该方法实现了在同一催化剂体系下杂原子-锡配合物的合成。在喹啉的辅助下,底物范围拓宽,收率显着提高。在反应过程中,生成的杂脱氢偶联中间体[H][HB(CF)]将1,4--甲锡烷基-二氢喹啉中间体转化为-甲锡烷基-四氢喹啉,从而加速喹啉还原,而1,4--甲锡烷基-二氢喹啉可以作为氢受体促进[H][HB(CF)]中间体转化产生(E = N/O/P/S)。 -甲锡烷基-四氢喹啉的复分解反应迅速生成和四氢喹啉,从而相互促进上述过程。在控制实验、关键中间体的捕获与合成以及氘实验的基础上提出了反应机理。