R-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin, min. 94% (R)-SYNPHOS

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