Tetrahedron Letters p. 563 - 566 (1997)
Update date:2022-08-04
Topics:
Ishii, Katsuyuki
Aoki, Shin
Koga, Kenji
Chiral C2-symmetric DMEU derivatives were designed and synthesized as chiral ligands for lithium. The reaction of the lithium enolate (2) of 1-tetralone (1) with methyl iodide in toluene in the presence of a DMEU derivative (11) and hexamethyldisilazane gave (S)-2-methyl-1-tetralone ((S)-3) in up to 92% ee.
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