806. []20 (nm): -488?(589) (c 0.235, CHCl3). (S p )-2-[(R)-1-Diphenylphosphinoethyl
Chemexpress 806. 20 (nm): -488?(589) (c 0.235, CHCl3). (S p )-2--(S p )-2-diphenylphosphino-1,1-biferrocene ((R,Sp,Sp)-2). To a degassed answer of crude (R,Sp,Sp)-9 (500 mg, 0.626 mmol) in THF (5 mL) had been…