产品介绍：
Technical Notes:
1.Ligand used with iridium catalyst for asymmetric hydrogenation of pydinium salts.
2.Ligand used with iridium catalyst for asymmetric hydrogenation of unfunctionalized alkenes.
References:
1.Org. L ett. 2018, 20, 1333-1337
2.Org. Lett. 2016, 18, 4920-4923
3.J. Am. Chem. Soc. 2016, 138, 15473-15481
4.J. Org. Chem. 2014,79, 993-1000
5.Angew. Chem. Int. Ed. 2014, 53, 14428 14432
