Visible Light‐Induced Room‐Temperature Heck Reaction of Functionalized Alkyl Halides with Vinyl Arenes/Heteroarenes
作者:Daria Kurandina、Marvin Parasram、Vladimir Gevorgyan
DOI:10.1002/anie.201706554
日期:2017.11.6
The first visible light‐induced Pd‐catalyzed Heck reaction of α‐heteroatom substituted alkyl iodides and ‐bromides with vinyl arenes/heteroarenes has been developed. This transformation efficiently proceeds at room temperature and enables synthesis of valuable functionalized allylic systems, such as allylic silanes, boronates, germanes, stannanes, pivalates, phosphonates, phthalimides, and tosylates
第一个可见光诱导的 Pd 催化的 α-杂原子取代的烷基碘化物和-溴化物与乙烯基芳烃/杂芳烃的 Heck 反应已经开发出来。这种转化在室温下有效进行,并能够从相应的α-取代甲基碘合成有价值的官能化烯丙基系统,例如烯丙基硅烷、硼酸酯、锗烷、锡烷、新戊酸酯、膦酸酯、邻苯二甲酰亚胺和甲苯磺酸酯。值得注意的是,后一种底物的合成在现有的热诱导钯催化条件下失败,这凸显了可见光对于这种转变的重要性。