Technical Notes:

1Asymmetric hydrogenation of a,ß-unsaturated ester-phosphonates.

2.Catalytic asymmetric conjugate addition of Grignard reagents to coumarins-- synthesis of versatile chiral building blocks.

3.Copper(I) catalyzed asymmetric 1,2-addition of Grignard reagents to a-methyl substituted a,ß-uns aturatedketones.

4.Asymmetric conjugate addition of Grignard reagents to pyranones.

5.Chiral amides via copper-catalysed enantios elective conjugate addition.

6.Catalytic asymmetric alkylation of acylsilanes .

7.Copper-Catalyzed enantioselective alkylation of enolizable.

8.L igand for Cu-catalyzed Asymmetric Conjugate Reduction of ß- Boronyl-ß-alkyl enoates .

9.Ligand for Cu-catalyzed Asymmetric Addition of Grignard Reagents to Alkenyl-substituted Aromatic

N-Heterocycles.