Tetrahedron Letters p. 3513 - 3516 (1983)
Update date:2022-08-10
Topics:
Leyendecker, Francois
Jesser, Francis
Laucher, Dominique
The extent of enantiomeric excess in the β-methylation of chalcone by chiral cuprates is shown to depend strongly on small structural modifications of the ligands, all of which are derived from the basic carbon framework of L-prolinol.Enantiomeric excesses up to 88percent have been realised.
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