Fig. 1: Cu-catalyzed asymmetric propargylation of 2,3-dimethyl indole.
From: Direct asymmetric N-propargylation of indoles and carbazoles catalyzed by lithium SPINOL phosphate

C-propargylated product was exclusively obtained.
From: Direct asymmetric N-propargylation of indoles and carbazoles catalyzed by lithium SPINOL phosphate

C-propargylated product was exclusively obtained.