Xiang Gao, Bo Wu, Zhong Yan and Yong-Gui Zhou
Org. Biomol. Chem., 2016,14, 8237-8240
DOI:
10.1039/C6OB01516F,
Communication
Using copper complexes with an axially chiral bipyridine ligand C4-ACBP as the catalyst, an enantioselective functionalization of indoles with diazo compounds was developed with up to 95% ee. This protocol paves the way for further applications of these ligands.