Technical Notes:
1.Chiral ligand for enantios elective rhodium-catalyzed 2+2+2 carbocyclization reactions .
2.Chiral ligand for the asymmetric hydrogenation of ß-keto esters .
3.Highly enantios elective hydrogenation of ß- alkyl-substituted (E)-ß-(acylamino)- acrylates
References : 1. J. Am. Chem. Soc. 2005, 127, 12466. 2.J.Org.Chem., 2003, 68, 2490.Strem