Tetrahedron Letters p. 9723 - 9726 (1998)
Update date:2022-08-05
Topics:
Matsuo, Jun-Ichi
Kobayashi, Shu
Koga, Kenji
Enantioselective alkylation of lactams and lactones can be realized up to 98% ee by deprotonation with a chiral tetradentate lithium amide (4b) in the presence of lithium bromide, and subsequent alkylation with active alkylating agents in non-chelating solvents.
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