C2-BIPNOR: An Easily Accessible Homologue of BIPNOR for Asymmetric Catalysis

Under mild conditions at −78 °C, the McMurry coupling of the (R)-2-formyl-1-phosphanorbornadiene 2 yields the enantiopure (RP, SC, SC, RP) diol 4, dubbed C2-BIPNOR. In boiling THF, the same reactio...