(2R,3R)-(-)-2,3-Bis(diphenylphosphino)-bicyclo[2.2.1]hept-5-ene, min. 95% (R,R)-NORPHOS

Technical Notes:
1.Ligand used in the enantioselective rhodium catalyzed hydrogenation of a dehydroaminoesters and enamides.
2. L igand used in the enantios elective rhodium catalyzed hydroboration of cyclopropenes.
3. L igand used in the asymmetric rhodium catalyzed cleavage of racemic 1,3-oxazolidines.
4. Iridium or Rhodium-catalyzed asymmetric Diels-Alder reaction.
References:
1.Angew. Chem. 1979, 91, 655.
2. J. Ăm. Chem. Soc.. 2003, 125, 7198. 3. Adv. Synth. Catal., 2003, 345, 239. 4. Organometallics, 2011, 30, 6661 .