Technical Notes:

1. A chiral diphosphine ligand used in the highly- enantioselective hydrogenation of ketoesters, hydroxyketones, ketophosphonates and succinates.

2. A ligand used for the dynamic kinetic resolution of o,ß- unsaturated lactones via asymmetric copper-catalyzed conjugate reduction.

3. Used in the intramolecular Heck reaction for the synthesis of diterpenoids .

4. Used in asymmetric Pauson-Khand reaction.

5.Used in asymmetric iminonitroso Diels-Alder reaction.

6.Palladium catalyzed asymmetric hydrogenation of N-tosyl ketimines .

7.Ligand for asymmetric hydroalkynylation of norbornadienes