Copper-Catalyzed C–H Fluorination/Functionalization Sequence Enabling Benzylic C–H Cross Coupling with Diverse Nucleophiles
作者:Aristidis Vasilopoulos、Dung L. Golden、Joshua A. Buss、Shannon S. Stahl
DOI:10.1021/acs.orglett.0c02238
日期:2020.8.7
Site-selective transformation of benzylic C–H bonds into diverse functional groups is achieved via Cu-catalyzed C–H fluorination with N-fluorobenzenesulfonimide (NFSI), followed by substitution of the resulting fluoride with various nucleophiles. The benzyl fluorides generated in these reactions are reactive electrophiles in the presence of hydrogen-bond donors or Lewis acids, allowing them to be used
通过Cu催化的C-H氟化与N-氟苯磺酰亚胺(NFSI),然后用各种亲核试剂取代所得的氟化物,实现了苄基C-H键向不同官能团的位点选择性转化。在这些反应中产生的苄基氟是在氢键供体或路易斯酸存在下的反应性亲电试剂,允许它们在 C-O、C-N 和 C-C 偶联反应中使用而无需隔离。