Chiral amines find use as chiral ligands, resolving reagents and versatile building blocks as well as in pharmaceuticals and agrochemicals. Here, the authors developed Pyrinap ligands for the copper-catalyzed enantioselective A3-coupling of terminal alkynes, aldehydes, and amines affording optically active propargylic amines.
- Qi Liu
- Haibo Xu
- Shengming Ma