Technical Notes：
1. Chiral ligands for copper- catalyzed asymmetric allylic alkylation with dialkylzincs .
2. Chiral ligands for copper-catalyzed asymmetric conjugate addition of diethylzinc to enones.
3.Chiral ligands for palladium-catalyzed asymmetric hydrosilylation of styrenes
4.Chiral ligands for copper-catalyzed asymmetric ring-opening of oxa bicyclic alkenes with Grignard reagents .
5.Chiral ligands for nickel-catalyzed asymmetric hydrovinylation of a-alkyl vinylarenes.
6. Chiral ligands for iridium-catalyzed asymmetric hydrogenation of cyclic enamines.
7.Chiral lig ands for iridium-catalyzed asymmetric hydrogenation of cyclic imines.
8.Chiral ligands for gold-catalyzed asymmetric 2 + 2 cycloaddition re action.
9. Chiral ligands for rhodium- catalyzed asymmetric hydroacylation of salicylaldehydes to homoallylic sulfides.
10. Chiral ligands for palladium- catalyzed a symmetric carboamination rea ctions .
