Royal Society of Chemistry, Chemical Science, 22(14), p. 5918-5924, 2023
DOI: 10.1039/d3sc01880f
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An organocatalytic intramolecular (4 + 2) annulation of enals with ynamides is disclosed, providing a convenient way to axially chiral indolines. The synthesized axially chiral skeleton was proved to be potentially applicable as a chiral ligand.