作者:Wang, Qi、Fu, Li、Gao, Zhiyang、Huang, Jiaqi、Zhang, Lei、Wang, Hua、Zhong, Yingfang、Zhou, Man、Huang, Qitong、Yang, Min
DOI:10.1016/j.mcat.2024.114405
日期:——
Unactivated -alkene-linked indoles were established as general substrates for cyanomethylation-cyclization cascade reactions with bromoacetonitrile in a photoinduced condition, generating diverse cyanomethylated pyrrolo[1,2-]indoles with a broad substrate scope in moderate to good yields. The mechanistic study revealed that radical addition, cyclization and radical-polar-crossover (RPC) process were
未活化的烯烃连接吲哚被确定为在光诱导条件下与溴乙腈进行氰甲基化环化级联反应的通用底物,以中等至良好的产率生成多种底物范围广泛的氰甲基化吡咯并[1,2-]吲哚。机理研究表明,自由基加成、环化和自由基极性交叉(RPC)过程参与了这一转变。同时,提出了两种特殊的溴氰甲基化吲哚,并将一种氰甲基化吡咯并[1,2-]吲哚作为荧光染料应用于荧光光谱和活细胞成像。