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Ligand effects in enantioface differentiating 1,4 addition to 1,3 diphenyl-2 propen-1 one

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
24
Issue
33
Identifiers
DOI: 10.1016/s0040-4039(00)86026-8

Abstract

Abstract 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 88% have been realised.

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