Pak-Hing Leung, S. Selvaratnam, C. R. Cheng, K. F. Mok, Nicholas H. Rees and William McFarlane
An optically pure diphosphine ligand containing two phosphorus and four carbon stereogenic centres is prepared efficiently by a chiral organopalladium complex promoted asymmetric Diels–Alder reaction between phenyldi[(Z)-prop-1-enyl]phosphine and 1-phenyl-3,4-dimethylphosphole.