Catalytic Asymmetric Synthesis of Binaphthol Derivatives by Aerobic Oxidative Coupling of 3-Hydroxy-2-naphthoates with Chiral Diamine-Copper Complex

Article abstract of DOI:10.1016/0040-4039(95)02063-2

Asymmetric aerobic oxidative coupling of 3-hydroxy-2-naphthoate with a copper complex prepared in situ from chiral diamine 3 and cuprous chloride as catalyst afforded binaphthol derivatives in good enantioselectivities up to 73 percent ee.