Electrochemical Oxidative Regioselective C–H Cyanation of Imidazo[1,2-<i>a</i>]pyridines
作者:Ting Cui、Yanling Zhan、Changhui Dai、Jun Lin、Ping Liu、Peipei Sun
DOI:10.1021/acs.joc.0c03026
日期:2021.11.19
Electrochemical oxidative regioselective C–H cyanation of imidazo[1,2-a]pyridines was developed using readily available TMSCN as the cyano source. The KH2PO4/K2HPO4 buffer was essential for this transformation. This protocol was compatible with a broad range of substituted imidazo[1,2-a]pyridines and provided the C3 cyanated products in moderate to excellent yields.
咪唑并[1,2- a ]吡啶的电化学氧化区域选择性C-H氰化是使用现成的TMSCN作为氰基源开发的。KH 2 PO 4 /K 2 HPO 4缓冲液对于这种转化是必不可少的。该方案与多种取代的咪唑并[1,2- a ]吡啶兼容,并以中等至优异的产率提供C3氰化产物。