(R)-(+)-7-Bis(3,5-di-t-butylphenyl)phosphino-7'-[(3-methylpyridine-2-ylmethyl)amino]-2,2',3,3'-tetrahydro-1,1'-spirobiindane, min. 98% (>99% ee) (R)-DTB-SpiroPAP-3-Me

Technical Notes:
1.Iridium/ligand catalyst for the highly efficient, as ymmetric hydrogenation of ß- aryl and ß-ketoesters . 2.Extremely efficient chiral iridium catalyst used for the asymmetric hydrogenation of ketones.
3.Iridium/ligand catalyst for the highly efficient, as ymmetric hydrogenation of ß-aryI and ß-ketoesters.
Reference:
1. Angew. Chem Int. Ed., 2011, 50, 7329. 2 Angew. Chem Int. Ed., 2012, 51, 201. 3. Org. Lett., 2012, 14, 6158.